A60 - 60 mm Automatic Ratchet block, Single, Swiveling/Fixed Line Guide Fitting Sparcraft and Z-Spars

Sparcraft and Z-Spars

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

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

SubType: toggle

A60 - 60 mm Automatic Ratchet block, Single, Swiveling/Fixed Line Guide Fitting Sparcraft and Z-SparsThe 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