Ronstan Marine Sailing Blocks
- Ronstan®40 Series Sheave Single Utility Block with Cheek for 1/8" D Lines40 Series Sheave Single Utility Block with Cheek for 1/8" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our virtual shelves are...Exceptionally high working loadsLow maintenance, long service life$32.74 - $80.80
- Ronstan®20 Series Orbitblock™ Ball Bearing Shave Single Utility Block with Becket & Dyneema Lashing for 1/4" D Lines20 Series Orbitblock™ Ball Bearing Shave Single Utility Block with Becket & Dyneema Lashing for 1/4" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality...Leech / control linesCunninghams$13.98 - $73.44
- Ronstan®Sheave Single Block with Swivel Snap Shackle for 1/2" D LinesSheave Single Block with Swivel Snap Shackle for 1/2" D Lines by Ronstan®. Snatch blocks are a tough and reliable solution for temporary leads and line deflection. Simple and quick to deploy, they can be easily opened when the load is...Easily operated latch mechanismLightweight$159.08 - $221.84
- Ronstan®Shock BlockShock Block by Ronstan®. The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block. If you’re an avid sailboat enthusiast looking to...Performance & versatilityUltra lightweight$14.46 - $19.63
- Ronstan®1/16"-3/16" D Blue Shock Block (RF8080BLU-2)1/16"-3/16" D Blue Shock Block (RF8080BLU-2) by Ronstan®. 2 Pieces. The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block. If you’re an...Performance & versatilityUltra lightweight$19.63
- Ronstan®1/16"-3/16" D Gray Shock Block (RF8080GRY-2)1/16"-3/16" D Gray Shock Block (RF8080GRY-2) by Ronstan®. 2 Pieces. The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block. If you’re an...Performance & versatilityUltra lightweight$19.63
- Ronstan®1/16"-3/16" D Red Shock Block (RF8080R-2)1/16"-3/16" D Red Shock Block (RF8080R-2) by Ronstan®. 2 Pieces. The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block. If you’re an...Performance & versatilityUltra lightweight$19.63
- Ronstan®1/8"-3/8" D Blue Shock Block (RF8081BLU)1/8"-3/8" D Blue Shock Block (RF8081BLU) by Ronstan®. 1 Piece. The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block. If you’re an avid...Performance & versatilityUltra lightweight$14.46
- Ronstan®1/8"-3/8" D Red Shock Block (RF8081R)1/8"-3/8" D Red Shock Block (RF8081R) by Ronstan®. The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block. If you’re an avid sailboat...Performance & versatilityUltra lightweight$14.46
- Ronstan®15 Series Ball Bearing Shave Double Utility Block with Becket & Loop Head for 3/16" D Lines (RF15212)15 Series Ball Bearing Shave Double Utility Block with Becket & Loop Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$26.19
- Ronstan®15 Series Ball Bearing Shave Double Utility Block with Loop Head for 3/16" D Lines (RF15202)15 Series Ball Bearing Shave Double Utility Block with Loop Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$22.91
- Ronstan®15 Series Ball Bearing Shave Single Pivoting Lead Block for 3/16" D Lines (RF15174)15 Series Ball Bearing Shave Single Pivoting Lead Block for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our virtual...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$36.57
- Ronstan®15 Series Ball Bearing Shave Single Upright Lead Block for 3/16" D Lines (RF15171)15 Series Ball Bearing Shave Single Upright Lead Block for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our virtual...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$20.73
- Ronstan®15 Series Ball Bearing Shave Single Utility Block with Becket & Loop Head for 3/16" D Lines (RF15111)15 Series Ball Bearing Shave Single Utility Block with Becket & Loop Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$14.18
- Ronstan®15 Series Ball Bearing Shave Single Utility Block with Cheek & Stand-Up Head for 3/16" D Lines (RF15141)15 Series Ball Bearing Shave Single Utility Block with Cheek & Stand-Up Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$18.55
- Ronstan®15 Series Ball Bearing Shave Single Utility Block with Cheek for 3/16" D Lines (RF15151)15 Series Ball Bearing Shave Single Utility Block with Cheek for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$15.28
- Ronstan®15 Series Ball Bearing Shave Single Utility Block with Cover Plate for 3/16" D Lines (RF15711)15 Series Ball Bearing Shave Single Utility Block with Cover Plate for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$31.11
- Ronstan®15 Series Ball Bearing Shave Single Utility Block with Loop Head for 3/16" D Lines (RF15101)15 Series Ball Bearing Shave Single Utility Block with Loop Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$11.98
- Ronstan®15 Series Ball Bearing Shave Single Utility Block with Swivel Shackle for 3/16" D Lines (RF15100)15 Series Ball Bearing Shave Single Utility Block with Swivel Shackle for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$20.98
- Ronstan®15 Series Ball Bearing Shave Triple Utility Block with Becket & Loop Head for 3/16" D Lines (RF15312)15 Series Ball Bearing Shave Triple Utility Block with Becket & Loop Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$36.57
- Ronstan®15 Series Ball Bearing Shave Triple Utility Block with Loop Head for 3/16" D Lines (RF15302)15 Series Ball Bearing Shave Triple Utility Block with Loop Head for 3/16" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our...Smallest and lightest ball bearing block availablePrecision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction$33.29
- Ronstan®19 Series Acetal Sheave Single Utility Block with Ferrule Eye Head for 3/16" D Lines (RF663)19 Series Acetal Sheave Single Utility Block with Ferrule Eye Head for 3/16" D Lines by Ronstan®. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase. Stainless steel...Lightweight durable constructionEconomical$18.87
- Ronstan®20 Series Ball Bearing Shave Double Utility Block with 2-Axis Shackle for 1/4" D Lines (RF20202)20 Series Ball Bearing Shave Double Utility Block with 2-Axis Shackle for 1/4" D Lines by Ronstan®. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Two-way...Low frictionHigh static and dynamic load capacity$30.56
- Ronstan®20 Series Ball Bearing Shave Double Utility Block with Becket & 2-Axis Shackle for 1/4" D Lines (RF20212)20 Series Ball Bearing Shave Double Utility Block with Becket & 2-Axis Shackle for 1/4" D Lines by Ronstan®. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction....Low frictionHigh static and dynamic load capacity$33.84
- Ronstan®20 Series Ball Bearing Shave Single Linked Block for 1/4" D Lines (RF20281)20 Series Ball Bearing Shave Single Linked Block for 1/4" D Lines by Ronstan®. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. If you’re an avid sailboat...Low frictionHigh static and dynamic load capacity$36.02
- Ronstan®20 Series Ball Bearing Shave Single Linked Block with Loop Head for 1/4" D Lines (RF20284)20 Series Ball Bearing Shave Single Linked Block with Loop Head for 1/4" D Lines by Ronstan®. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. If you’re an...Low frictionHigh static and dynamic load capacity$26.19
- Ronstan®20 Series Ball Bearing Shave Single Pivoting Lead Block for 1/4" D Lines (RF20174)20 Series Ball Bearing Shave Single Pivoting Lead Block for 1/4" D Lines by Ronstan®. Pivoting version suits controls that need to be trimmed from either side of the boat. Lead blocks are a low profile solution for leading halyards or...180 degree pivoting sheavePivoting version suits controls that need to be trimmed from either side of the boat$37.11
- Ronstan®20 Series Ball Bearing Shave Single Upright Lead Block for 1/4" D Lines (RF20171)20 Series Ball Bearing Shave Single Upright Lead Block for 1/4" D Lines by Ronstan®. If you’re an avid sailboat enthusiast looking to enhance your experience on the water, then top-quality sailing products offered on our virtual...Typically used for halyards at the mast baseGrade 316 stainless steel ball bearings$21.83
- Ronstan®20 Series Ball Bearing Shave Single Utility Block with Becket & Loop Head for 1/4" D Lines (RF20111)20 Series Ball Bearing Shave Single Utility Block with Becket & Loop Head for 1/4" D Lines by Ronstan®. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Can...Low frictionHigh static and dynamic load capacity$15.28
- Ronstan®20 Series Ball Bearing Shave Single Utility Block with Becket & Rivet Mount Head for 1/4" D Lines (RF20151A)20 Series Ball Bearing Shave Single Utility Block with Becket & Rivet Mount Head for 1/4" D Lines by Ronstan®. Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low...Low frictionHigh static and dynamic load capacity$20.73