Harken Bullet Dinghy Block - 29mm Double upright

Sheave: 29 mm (1 1/8 in)
Length: 38 mm (1 1/2 in)
Weight: 64 g (2.25 oz)
Maximum Line: 8 mm (5/16 in)
Fasteners: 5 RH mm (#10 RH in)
Maximum Working Load: 181 kg (400 lb)
Breaking Load: 907 kg (2000 lb)

Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.