A60 - 60 mm Automatic Ratchet block, Single, Swiveling/Fixed Line Guide Fitting Min Rh: 6500 mm

Min Rh: 6500 mm

Sparcraft and Z-Spars

The cars are black anodized aluminium and they feature ø40 mm sheaves for 4:1 purchase

The control sheave is a RBB60 cheek block with Torlon ball bearings separated from each other in a ball cage

Imperial diam: M24 inch

A60 - 60 mm Automatic Ratchet block, Single, Swiveling/Fixed Line Guide Fitting Min Rh: 6500 mmThe automatic A60 ratchet block is designed for dynamic applications on dinghies and keelboats and features a 60 mm composite sheave. The block is designed with lightweight Delrin ball bearings and the sheave automatically changes from free turning to ratchet when the load increases. 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. A