Harken 29mm Double Bullet Block

29mm Double Bullet BlockLow-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. Features:Sheave: 29mm (1-1/8')Maximum Line: 8mm (5/16')Maximum Working Load: 181kg (400lb)