Blocks

Ronstan's smallest and lightest ball bearing blocks. Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave ...

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.   Applications:Typically used in ...

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted posit...

16mm AirBlocks offer very high working loads in an extremely small, lightweight block.These diminutive blocks feature a patented bearing system usi...

Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applica...

Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applica...

The Selden dinghy range of sheave boxes covers all requirements, from standard jib, spinnaker and topping lift sheave boxes, to lower halyard exit ...

The new Series 40 ball bearing Orbit Blocks™ provide the perfect balance of strength, performance, and reliability. They offer class-leading dynami...

The new Series 40 ball bearing Orbit Blocks™ provide the perfect balance of strength, performance, and reliability. They offer class-leading dynami...

The new Series 40 ball bearing Orbit Blocks™ provide the perfect balance of strength, performance, and reliability. They offer class-leading dynami...

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Applications: Typically used i...

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted posit...

Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applica...

Precision moulded Acetal sheaves running on Acetal ball bearings provide high performance & low friction. The 2-stage ball bearing system prov...

Sheaves have a deep groove to cradle 5mm (3/16") diam. wire. Applications: Ideal for small runabouts where hydraulic steering is not needed. ...

16mm AirBlocks offer very high working loads in an extremely small, lightweight block.These diminutive blocks feature a patented bearing system usi...

Micro blocks are small, lightweight, free-running blocks. They are ideal for use on sailboards, smaller dinghies, and for lightly loaded control li...

Yacht sheave boxes are ideal for halyard exit and entry boxes with special side flanges to minimise friction. HA8A have a nylon casing and alloy s...

Lightweight. Plain bearing block 16mm micro block Features: Length: 16mm Rope - Max 5mm, Sheave - 16mm diatemter. Breaking Load - 275kg Safe worki...