Harken 2.25 in. Block - Through-deck

Sheave: 57 mm (2 1/4 in)
Length: 89 mm (3 1/2 in)
Weight: 156 g (5.5 oz)
Maximum Line: 12 mm (7/16 in)
Fasteners: 4 RH mm (#8 RH in)
Maximum Working Load: 227 kg (500 lb)
Breaking Load: 1134 kg (2500 lb)

The 2.25 in (57 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers.