Technical features of the automatic ratchet block 45:
-5mm Delrin ball bearings and 45mm aluminium sheave.
-The sheave automatically changes from free-turning ratchet when the load increases. The sailor decides when the automatic ratchet kicks in. The switch over point is set using an all key to adjust a screw inside the sheave. Fast, simple, precise.
Sheave diameter 45mm
Weight 68grms
Safe Working Load 150kg
Breaking Load 300kg
Max line 10mm
Shackle 4mm