DK-113 Interchangeable Precision Ratchet Driver Set

Interchangeable precision screwdriver with continuously adjustable shaft length from 12 to 90 mm.
Rotary head minimizes play for stable precision work.
Double-ended interchangeable bit with high-precision tip machining.
Designed for precision screws used in watches, cameras, eyeglasses, and similar devices.
For installing and removing small screws in confined and recessed spaces.
Note: Using the tool beyond the 90 mm extension may damage the collet.