Blocks

These sheaves are made from a unique plastic material which is suitable for use with wire.  Nylatron

  A - mm   B 40.0 mm   C 28.0 mm   D 2.0 mm   ...

Ronstans range of Acetal sheaves is moulded from specially modified ultra-violet resistant grade of material to provide a long service life in the...

Ronstans range of Acetal sheaves is moulded from specially modified ultra-violet resistant grade of material to provide a long service life in the...

Ronstans range of Acetal sheaves is moulded from specially modified ultra-violet resistant grade of material to provide a long service life in the...

Self-contained sheaves are designed for sailors to use in custom applications.The Micro, Bullet and Big Bullet sheaves are Delrin with Delrin ball ...

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 ...

Quite simply, Ronstan Ratchet Orbit Blocks ’?½ have the highest holding power available. The sophisticated NC-machined sheave features Generation ...

Quite simply, Ronstan Ratchet Orbit Blocks ’?½ have the highest holding power available. The sophisticated NC-machined sheave features Generation 2...

Awesome ratchet block holding power Quite simply, Ronstan Ratchet Orbit Blocks ’?½ have the highest holding power available. The sophisticated NC-m...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...

Wire blocks have purpose deisgned narrow sheaves and grooves.Applications:Wire blocks suit halyards, vang and backstay applications Materials:Grade...

Wire blocks have purpose deisgned narrow sheaves and grooves. Removal sheave for easy fitting and without cutting the wire termination. Applicati...

Deck organisers are an effective means of deflecting halyards and other control lines to winches, stoppers and cleats. Sheaves are made from impac...

Features Made from highest quality SK75 Dyneema© fibre - 10 times stronger and lighter than steel Individual threads impregnated for U.V. a...

Low profile stand-up kit allows 0 ¸ or 90 ¸ alignment Stand-up kits feature a clatter-free rubber boot. You can attach the Dyneema link so that th...

Kilogram for kilogram of working load, BB and RT Orbit Blocks ’?½ are the world ’??s lightest. The unique orbital design allows the bearing to only...

Kilogram for kilogram of working load, BB and RT Orbit Blocks ’?½ are the world ’??s lightest. The unique orbital design allows the bearing to only...

Ball Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials...

Carbo AirBlocks© are 60% stronger and 30% lighter than our classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance di...

The nylon-resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Sheaves spin on high...

Ball Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer material...

Ball Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials...

Full 360 degree universal ball joint to suit Series 56 ratchet blocks. Applications: Mainsheet on off the beach dinghies, catamarans and sports...

Carbo AirBlocks© are 60% stronger and 30% lighter than our classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance di...

Features: Lightweight durable construction Economical Maintenance free Hollow rivets accept fixing screws, shackles or can be used as a be...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform ...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform ...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform ...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform...