Drill Chuck Wrench Accessories Adapter Converter Drill Bits For Impact Driver AU 5PCS Set: Material: steel Manual chuck 1.5-13mm (height 59*width φ42mm) Electric wrench adapter (excluding screws: height 36* maximum width φ22mm, hole width 12.7mm, thread length 12mm*φ width 12.3mm) Key wrench (overall length 65*width 35mm) Hexagonal shank post (excluding screws: length 52.5*diagonal maximum width 19mm, hexagonal shank length 29mm*width 6.3mm, thread length 13mmφwidth 12.3mm) Round handle, two pits and two grooves post (excluding screws: length 66*diagonal maximum width 19mm, top length 46.5mm*φ10mm, thread length 12mmφwidth 12.3mm) Features: *The Drill Chuck is made of high-quality 45# steel, quenched, and has high hardness. *Class 3-Jaw Design - Allows you to effortlessly hold round-shank drill bits from 1.5mm to 13mm securely. *Key Design - Tool-free accessory allows you to quickly and easily lock and release. *Quick Change Universal Fit- For use with impact driver, snaps easily into the power screwdriver. *Ideal Drill Conversion Tool - Converts a cordless power screwdriver into a drill or grinder in seconds. *It can NOT be used counterclockwise and NOT suitable for impact drivers or applications involving high torque load. Applicable models: electric hand drill, impact electric drill, pneumatic air drill. Drill Chuck clamping range: 1.5-13mm. Drill Chuck thread aperture: 12.7mm (1/2UNF) Package Included: 1x Drill chuck 1x Drill Chuck Wrench 1x Electric Wrench Conversion Head 1x Impact drill round shank conversion rod 1x Hexagonal shank extension rod.