Swivel single ball block on clamp suitable for pulpits or stanchions with Ø22/25 mm. Reduced weight and dimensions, mainly used on dinghies for vang, mainsail base and various rigging. The cheeks, the pulley and the balls are in delrin®, the metal parts in AISI 316.

Single block features:
Pulley diameter: 22 mm.
Maximum sheet diameter: 6 mm.
Overall height: 43 mm.
Weight: 17 gr.
Breaking load: 700 kg.
Working load: 100 kg.