Blocks - Single

Ronstan Series 60 Roller Bearing Block, Pivoting Low Lead, Single Maintains alignment with a variable line entry-angle. The line passes through the centre of the pivot support, remaining as close to the deck as possible. The self-contained alloy sheave...

Ronstan Ball Bearing 30mm Single Loop Head Acetal Sheave Acetal Balls Low friction Torlon® ball bearing system.  Lightweight.  Cheek cut-outs for easy bearing maintenance.  Part Number Weight Sheave Max Rope...

Ronstan Shackle Pulley Applications Ideal for small runabouts where hydraulic steering is not needed. Materials Stainless steel pulley housings.  Part Number Sheave Diameter Max Rope Diameter W.L B...

Ronstan Stand Up Pulley with Base and Becket Ronstan Stand-Up Pulley with Base and Becket is an essential component for any nautical and sailing equipment setup. With a diameter of 55mm, this pulley is designed to accommodate a rope diameter of...

Ronstan Flat Mount Pulley The Ronstan Flat Mount Pulley 55mm with a 5mm Wire Sheave is an essential component for enhancing sailing performance and ensuring optimal rigging efficiency. This premium nautical equipment is specifically designed...

Ronstan Series 20 Ball Bearing Single Pivoting Lead Block Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision moulded Acetal sheaves running on stainless steel or...

Ronstan Series 150 RB Block, Single Upright Lead Part Number Max Rope Size Sheave Diameter W.L B.L Weight RON-RF158171 20mm 150mm 5500kg 1100kg 1714g

Ronstan Steering Pulley Swivel Top for Sailing 5mm Ronstan Steering Pulley Swivel Top for Sailing is engineered for optimal performance in sailing applications, offering exceptional reliability and efficiency. This pulley features a deep...

Ronstan Series 15 Ball Bearing Single Block to suit Webbing Attachment Series 15 Ball Bearing Blocks feature stainless steel ball bearings in a 15mm sheave. Popular choices for dinghy control lines, vangs, cunninghams, or tweakers. A variety of...

Ronstan Series 30 High Load ILCA® Top Vang Block with Becket High load stainless steel single sheave block with becket and vang key. High load blocks are designed specifically for any application where high dynamic or static loads are expected...

Ronstan Series 30 High Load Ball Bearing Block with Becket High load stainless steel single sheave ILCA® Top Vang Block, with becket. No Vang Key Included. High load blocks are designed specifically for any application where high dynamic or...

Ronstan Series 30 Ball Bearing ILCA® Top Vang Block High load stainless steel single sheave block with vang key. The RF34108HL is a purpose designed ILCA® top vang block. The top vang block cheeks are made of grade 316 stainless steel with...

Ronstan Series 30 High Load Ball Bearing Loop Top Block, Single High Load stainless steel single sheave ILCA® Top Vang Block. No Vang Key Included. Features Lowest friction ILCA® top vang block available Low profile design Available with vang...

Ronstan Series 30 Ball Bearing Loop Top Block, Single Single loop top, clevis pin head, alloy sheave, Torlon® balls. Alloy sheaves running on Torlon® ball bearings provide high performance & low friction. Features Low friction...

Ronstan Series 20 High Load Ball Bearing Exit Block 20mm high load exit block with Grade 2205 stainless steel sheave. Features Grade 2205 stainless steel ball bearings for high strength and durability Single formed frame for high strength and...

Ronstan Series 20 Ball Bearing Exit Block 20mm ball bearing sheave box with single piece housing, stainless steel ball bearings, and an aetal sheave. Features Stainless steel ball bearings for high strength and durability Single formed frame...

Wichard Roller Block Clevis Swivel Head Wichard Roller Block Clevis Swivel Head.  This clevis swivel head attachment is an accessory for the Wichard Roller Block. Not suitable for 'HR' Roller blocks. Part Number To...

Wichard Soft Snatch Block 6 Models available from 2T to 7T.  Various applications on board.  High resistance and lightness.  Easy & fast installation thanks to Dyneema® loop.  Fast & safe opening/closing with the...

Wichard Single Plain Bearing Block with Swivel Snap Shackle Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush.  Light cheeks protecting the sheave.  Wide choice of fastenings...

Wichard Single Plain Bearing Block 55mm Sheave with Swivel, Clevis & Becket Complete range of plain bearing blocks.  Modern design.  Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush...