Blocks

PNP Kite/Utility blocks BENEFITS •Lightweight durable construction •Economical •Maintenance free•Simple lash-on attachment APPLICATIONS •Vang, cunn...

Ronstan Kite/Utility blocks. Available in black, red or grey and in single or two packs. BENEFITS •Lightweight durable construction •Economical •Ma...

Aluminum pulley with single wheel, mobile side plates and high efficiency (96%) ball bearing .Equipped with two attachment points for use in comple...

Ring-Nub® is an open spherical low-friction ring that withstands very high loads and is available for strings from 3 mm to 12 mm maximum. Ring-Nub ...

Riley Hooked Block. Stainless steel body with nylon sheave. Hooks directly into mast on many dinghies. 19mm x 6mm Single Sheave Block Max Rope Dia...

Riley Mini Blocks. Strong yet lightweight nylon body with chrome plated bronze sheave. DIMENSIONS: Sheave Diameter: 14mm Overall Length: 34mm Ov...

Riley Outlet (Exit) Blocks. Stainless steel body with nylon sheave. For leading lines into or out of masts and spars. DIMENSIONS: Overall Length:...

Ronstan Upright Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Applications •...

Ronstan 19mm loop top becket block for saddle mounting. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no main...

Ronstan 19mm ferrule head utility block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow...

Ronstan 19mm loop top block for saddle mounting. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance...

Ronstan 19mm tube rivet utility block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow r...

Ronstan 19mm tube rivet utility block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow r...

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

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

Ronstan 19mm wire blocks have specialised Nylatron sheaves for maximum wear resistance and narrow grooves to support wire. Applications •Wire bloc...

Ronstan traveller control block addition kit to suit Series 22 ball bearing traveller systems. •Grade 316 stainless steel cheeks & fasteners •...

Ronstan Utility Blocks feature Stainless steel cheeks and Acetal sheaves to ensure a long service life with virtually no maintenance. Hollow rivets...

Ronstan Utility Blocks feature Stainless steel cheeks and Acetal sheaves to ensure a long service life with virtually no maintenance. Hollow rivets...

Ronstan 25mm Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in t...

Ronstan single Utility Block with V-Jam cleat. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. ...

Ronstan triple Utility Block with V-Jam cleat. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. ...

Wire blocks have purpose deisgned narrow sheaves and grooves. Nylatron sheaves give excellent wear resistance when wire cable is used. Applicati...

Ronstan 29mm Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets acce...

Ronstan Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. •Lightweight durable ...

Ronstan Series 29 Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Application...

Ronstan Double Utility Cheek Block with tube rivet fastenings. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually ...

Ronstan Series 29 Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. •Lightweight ...

Ronstan Series 29 Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. •Lightweight ...

Ronstan Utility Blocks ferrule top. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rive...

Ronstan Utility Blocks feature Stainless steel cheeks and Acetal sheaves to ensure a long service life with virtually no maintenance. Includes swiv...

Ronstan Series 29 Utility Blocks. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Application...

Ronstan traveller control block addition kit to suit Series 32 I-Beam travellers. Materials •U.V. stabilised Acetal sheave •Grade 316 stainless ...

Ronstan Series 55 Orbit Automatic ratchet block. Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is t...

Ronstan becket shackle. For adding a becket to Ronstan Series 30 ball bearing blocks. •Suits RF35101, RF35101D (allows 0 or 90 degree orientation).

Ronstan Core Blocks Series 60 double with fixed non swivelling head. Core Blocks™ are a true all round solution. A tuned 2-stage bearing system pro...

Ronstan Series 60 Mast Base Core Block. Clevis pin head attachment for direct attachment to mast base. Core Blocks™ are a true all round solution...

Ronstan Series 75 single core block with swivel and aluminium sheave for wire rope. Core Blocks™ are a true all round solution. A tuned 2-stage bea...

Ronstan 60mm Industrial Block single with swivel head and becket. Ronstan Industrial Blocks are strong, versatile and cost effective. They have man...

Ronstan 60mm Industrial Block single with swivel head. Ronstan Industrial Blocks are strong, versatile and cost effective. They have many uses in b...

Ronstan 75mm Industrial Block single with swivel head and becket. Ronstan Industrial Blocks are strong, versatile and cost effective. They have man...

Ronstan 75mm Double Industrial Block single with swivel head and becket. Ronstan Industrial Blocks are strong, versatile and cost effective. They h...

Ronstan 75mm Industrial Block single with swivel head. Ronstan Industrial Blocks are strong, versatile and cost effective. They have many uses in b...

Ronstan 19mm wire blocks have specialised Nylatron sheaves for maximum wear resistance and narrow grooves to support wire. Applications •Wire bloc...

Lightweight Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing t...

The incredible Ronstan Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It’s so light that it needs to...

Ronstan Series 30 Ball Bearing Blocks. Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ...

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