Harken 29mm Single Bullet Block 
29mm Single 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: 29mm (1-1/8")
- Maximum Line: 8mm (5/16")
- Maximum Working Load: 136kg (300lb)