The hyper worm has excellent operability, and has a structure in which the worm that is divided into two sandwiches the rack of the lower jaw, eliminating gaps and reducing rattling.
- Length is 140mm or 5.5″
- Worm drive facilitates less slop
- Opens to 36mm
- Graduations etched on side
- 🇯🇵 Made in Japan

Ko-ken 4725ZB 1/2"drive Ratchet Handle 72 teeth Length 253mm Quick Release Z-series 














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