Harken 085 29mm Double Bullet Block with Becket

The Harken 085 29mm Double Bullet Block with Becket is a compact, low-friction sailing block engineered to lead control lines aft with speed and reliability. Designed for small boat and classic rigging applications, the Bullet block series delivers smooth trim and quick release performance under both high and low loads.

The integrated becket allows the block to serve as the attachment point in a purchase system, making it ideal for mainsheets, vangs, cunninghams, and other multi-purchase control line setups. The double-sheave configuration increases mechanical advantage while keeping the overall footprint minimal.

Key Features:

• Sheave Diameter: 29mm (1-1/8 in.) — optimized for lines up to 8mm (5/16 in.)
• Block Length: 89mm (3-1/2 in.)
• Weight: 78g (2.75 oz.) — ultralight for performance-conscious rigging
• Shackle Pin Diameter: 5mm (3/16 in.)
• Maximum Working Load: 181 kg (400 lb.)
• Breaking Load: 907 kg (2,000 lb.)
• Double-sheave design with becket for purchase system attachment
• Adaptable to a wide range of control line applications

The Harken 085 is part of the trusted Bullet block family — a go-to choice for small boat sailors, racers, and cruisers who need dependable, lightweight hardware without sacrificing load capacity or longevity.