Melges 15 Spinnaker Block

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For Melges 15 Spinnaker Sheets Technical Features 5mm Delrin ball bearings 45mm aluminum sheave The sheave automatically changes from free-turning to ratchet when the load increase s. The sailor decides when the automatic ratchet kicks in. The switch-over point is set using an allen key to adjust a screw inside the sheave. Fast, simple, precise Specification Max. Rope Ø (mm): 8 S.W.L (kg):150 B.L (kg): 300 Weight (g): 64 Shackle Ø (mm): 4 Applications Dinghy main sheets Spinnaker sheets Show more