Blocks - Single

Longitudinal lugged block 25mm x 9.5mm stainless roller bearing, red acetal resin sheave *Image of RM305* Part Number RLY-RM306

The 16 mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load.Sheave...

Features: Low friction High static and dynamic load capacity Lightweight Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller controls Dinghy barber haulers Spinnaker pole launching systems Materials: Stainless Steel...

Wichard Single Plain Bearing Upright Block with 35mm Sheave Modern design.  Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush.  Light cheeks protecting the sheave.  Wide choice of...

38mm Ball Bearing Block with Becket Single Sheave Cam Cleat: Fixed Part Number Length Becket Breaking Load Max Line Size RLY-PYF601 89mm 8mm 136kg 64mm

Wire blocks have purpose deisgned narrow sheaves and grooves. Removal sheave for easy fitting and without cutting the wire termination Applications: Wire blocks suit halyards, vang and backstay applications Flared cheeks to minimise...

Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Features: Low friction 2-stage ball bearing system...

Ronstan Series 30 Ball Bearing Block, Upright Lead Single upright 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 Acetal or Torlon® ball...

Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire Application: Exit blocks minimise friction in lines passing through the deck or exiting masts and...

Wichard Stainless Steel Single Block 25mm Sheave with Swivel & Clevis Pin Complete range of stainless steel blocks for dinghies.  Lightweight, reliable and good performance.  Available in a wide range of size  and fastening...

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...

The 16 mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. The 404...

Single Sheave Inlet – Outlet Block 21mm x 8mm glass filled acetal sheave running on stainless steel needle bearing. Fastening holes 3/16″ clearance at 50mm centres. Part Number RLY-RM304

Ronstan Series 30 High Load Block, Loop Top Single, loop head. Suitable for use with wire or rope. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire. Can...

Wichard Stainless Steel Single Block - Sheave 24 - With Shackle & Becket Complete range of stainless steel blocks for dinghies Light weight, reliable and good performance Available in a wide range of size  and fastening systems  For...

Wichard Single Plain Bearing Block 25mm Sheave with Swivel Head Complete range of plain bearing blocks.  Modern design.  Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush.  Light...

Wichard Single Ball Bearing Block - Fixed Eye Complete range of ball bearing blocks Modern design Innovative design with two lateral races of ball bearings Smooth running for low load and high speed action Under high load the hub runs on ...

Wichard Single Plain Bearing Block with Fixed Head with Clevis Complete range of plain bearing blocks.  Modern design.  Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush.  Light...

Rope Pulley Block 25mm x 13mmFlat Base Swivel Block Acetal Resin Sheave, body & base of Stainless Steel Part Number Breaking Load RLY-RM309 600kg

Riley 29mm Ball Bearing Stand Up Block Single Sheave Cam Cleat: Deck Mounting Method: Single Part Number Length Ferrule Bore Becket Breaking Load Max Line Size RLY-PYF511 66mm 420kg 6mm 200kg 70mm