__#Product Overview
Ko-ken 72 Tooth Ratchets – Precision, Strength, and Control
Ko-ken ratchets are renowned for their precision engineering, delivering exceptionally low backlash, compact head sizes, and high torque performance. The newly d esigned 72 tooth ratchet continues this legacy, combining our hallmark features with refined advancements.
Featuring a patented dual pawl mechanism with a single spring, this ratchet provides a smooth 5° arc swing, allowing for superior control in tight spaces. The innovative design increases surface area contact within the gear, resulting in a 10% higher torque limit while preserving Ko-ken’s signature low-torque backlash pe rformance.
After four years of intensive development and testing, we’ve optimized the spring pressure to maintain a consistent, precise feel with minimal resistance—perfect for professional users demanding accuracy and durability.
Repair Kit: 2725RK-2(3/8)
Product Dimension (Refer Line Drawing Image):
__#Product Specifications
| Input Drive Size | 3/8" | Drive Shape | Square |
|---|---|---|---|
| Length | 160 mm | Head Type | Fixed |
| Gear Teeth | 72 Teeth | T Size | 20.5mm |
| D Size | 20.5mm | H Size | 9.5mm |
| L Size | 160mm |