Harken 29mm Single Bullet Block

The Harken 29mm Single Bullet Block is a low-friction control line block purpose-built for precision load management in demanding tactical and marine applications. Designed for operators and professionals who require reliable, silent line control under variable load conditions, this compact block excels in environments where smooth operation and minimal noise signature are critical. Whether deployed in field operations, rope access work, or specialized rigging scenarios, the Harken 29mm Single Bullet Block delivers consistent performance where equipment failure is not an option.

The single bullet block design features a streamlined, low-friction pulley mechanism that enables rapid trim and controlled release even under sustained high loads or dynamic shock loads. At just 0.05 pounds with dimensions of 2 x 1 x 4 inches, the 29mm block maintains exceptional strength-to-weight ratio, critical for load-bearing applications where every ounce affects tactical mobility. The Harken engineering standard ensures smooth operation without binding, allowing control lines to run aft cleanly while maintaining directional control and reducing operator fatigue during extended use.

Professionals in rescue operations, tactical rappelling, maritime rigging, and advanced rope systems benefit most from the Harken 29mm Single Bullet Block's versatility and reliability. The compact footprint adapts to nearly all control line applications, making it an essential component for rope control systems, anchor systems, and variable rigging setups. Installation is straightforward—integration into existing harnesses, systems, or rigging configurations requires minimal modification while delivering immediate improvement in line management and operator control.