Finger pressure for easy bit changes Converts immediate impact receivers to no-drill and quick-change screwdrivers Quickly converts screwdriver hex shank in one drill < p>Unlimited use in vehicles, garages, warehouses, offices, homes, etc. Connecting rod 1/4 inch (6 mm) Clamping range: 0.3 - 3.6mm Total length: 47mm approx Description: 100% brand new and high quality < /p> Instantly convert impact driver to hold quick change punch and screwdriver bits. Quickly convert your quick change hex shank screwdriver into one drill. p> Tighten the keyless chuck to change bits with ease. Unlimited use in cars, garages, warehouses, offices, homes, etc. Color: As Pictures Show Chammage Rod : 1/4 inch (6.35 mm) Clamping range: 0.3-3.6 mm Total length: approx. 47 mm Quantity: 1 u.