Harken 38mm Double Big Bullet Block 
38mm Double Big Bullet Block
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.
- Sheave: 38mm (1-1/2")
- Maximum Line: 10mm (3/8")
- Maximum Working Load: 272kg (600lb)