Smart Features Fully automatic, load sensing ratchet engagement Up to 25:1 holding power Easily fitted and securely retained Dyneema® Link head Sheave Ø 70 mm Max. Rope Ø 10 mm Max. Cable Ø mm Pin Ø - mm M.W.L. 300 kg B. L. 1250 kg Weight 150 g Product Information Automatic ratchet block The auto mode of 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 asymmetric spinnakers. Awesome ratchet block holding power Quite simply, Ronstan Ratchet Orbit BlocksTM have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry. Its holding power is up to 21:1, almost double that of our nearest competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes have only 8 faces with an angled resistance to line movement. Our Generation 2 design has straight resistance faces which both distribute the load and minimise rope wear. These faces are offset from the radial line, to draw the rope down into the gripping area when under load. Simple and secure attachment Smooth easing of sheets In auto mode, the sheet runs out smoothly and freely sas soon as the ratchet mechanism disengages. In manual mode, the sheave cross-hole geomtry eliminates the 'shuddering' run-out that you can expect from traditional v-groove ratchet blocks. Applications Dinghy mainsheet systems - when maximum holding power is required. Mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit. Control line applications on larger yachts. Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks). Spinnaker sheets on sports boats and small keel boats - especially modern asymmetric classes.

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