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Up to 20:1 holding powerSmooth easing of sheetsAutomatic & manual ratchet blockSimple and secure attachmentSwivel shackle head for unlimited block rotation.Stainless steel shackle head and compatibility with sharp fixing points.Sheave Ø 55 mmMax. Rope Ø 10 mmM.W.L: 250 kgB. L: 750 kgWeight: 78 g

These come in left- and right-handed, please choose from drop down.Clockwise or Anti-clockwise.Awesome ratchet block holding power.Sheave: Anodised Aluminium.Ball Bearings: High compression strength carbon black Acetal.Frame/Cheeks: Toughened, glass fibre reinforced Nylon.Quite simply, Ronstan Ratch...

Ronstan 40mm Orbit Ratchet Blocks - Up to 14:1 holding power - highest available!This automatic model, the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetri...

Ronstan 40mm Orbit Ratchet Blocks - Up to 14:1 holding power - highest available!This Manual model allow the ratchet mechanism to be switched on or off as required. This is the preferred mainsheet set-up for many top sailorsSwivel shackle head for unlimited block rotation and compatibility with shar...

Ronstan 40mm Orbit Ratchet Blocks - Up to 14:1 holding power - highest available!This automatic model, the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetri...

InformationAutomatic ratchet blockNow you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes. In the auto mode of the ratchet mechanism engages when load is applied, but swit...

Ronstan Ratchet Orbit Cheek Blocks™ are available in both Left and Right handed and are either screwed or bolted to surfaces.These be beauties have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry. Its holdin...

Swivel shackle base. Suits Series 40 & 55 Orbit Block™ Dyneema® links.Base fastenings- 32mm hole centres.M.W.L. 250 kgB.L. 500 kg

Full 360 degree universal ball joint to suit shackle head Series 40 & 50 Utility blocks and Series 55 Orbit Blocks.Base dia. 55mm.Pin Ø 4.8mm.M.W.L. 200 kg.B. L. 1000 kg.Grade 316 stainless steel.Mainsheet on off the beach dinghies, catamarans and sports boats to 7m (23ft)

Stand-up boot for block. Low profile stand-up kit allows 0° or 90° alignment.The Ronstan stand-up kit features a clatter-free rubber boot. No more nasty springs! You can attach via a shackle or Dyneema® link so that the block is aligned with the stand-up base or across it. It’s a neat, low-prof...

Up to 20:1 holding powerSmooth easing of sheetsAutomatic & manual ratchet blockSimple and secure attachmentSwivel shackle head for unlimited block rotation.Stainless steel shackle head and compatibility with sharp fixing points.Sheave Ø 55 mmMax. Rope Ø 10 mmM.W.L: 250 kgB. L: 750 kgWeight: 78 g

These come in left- and right-handed, please choose from drop down.Clockwise or Anti-clockwise.Awesome ratchet block holding power.Sheave: Anodised Aluminium.Ball Bearings: High compression strength carbon black Acetal.Frame/Cheeks: Toughened, glass fibre reinforced Nylon.Sheave Ø: 40 mmMax. Rope Ø: 9 mmM.W.L: 175 kgB. L: 500 kgWeight: 36 g

The Ronstan RF62100 patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power.Unrivalled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and bl...