Harken 29mm Double Bullet Block 
Manufacturer Part Number: 084
UPC #: 097653002901
29mm Double 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: 181kg (400lb)