DK-113 Replacement precision ratchet driver set

Interchangeable precision ratchet driver that allows you to adjust the length of the shaft with one touch. [Features] The shaft length can be adjusted steplessly from 12 to 90 mm. Equipped with a rotating cap that allows stable precision work without shaft wobbling. Double-headed interchangeable bit with high-precision tip processing. *If used with a shaft length of 90 mm or more, the collet may be damaged. [Application] For installing and removing various small screws. For working in narrow and deep places. [Specs] Tip size: +No.00/-2.5mm, +No.0/-3.0mm, +No.1/-4.0mm Bit total length: 120mm Total length: 129-207mm Bit length: 12~90mm Axis opposite side: 4mm Grip diameter: φ16.8mm Feed angle: 12° Number of gears: 30 Weight: 62g Material: Bit: Carbon steel for screwdriver, Grip: ASB & Elastomer