0.8-10mm Keyless Drill Chuck 3/8"- 24UNF Thread Drill Bit Collet Quick Change Adapter For Impact Drill Features: *100% brand new and high quality. *Unique patented locking function, breaking the traditional locking methods. *After having ratchet, the locking pieces mounted on the rear sleeve, the locking peripheral length, more effective in preventing the removal work loose, the collet is more reliable when the gripping means. *Good metal texture, comfortable coat surface. *Torque thrust bearing unique easy-grip exerted translate into greater clamping force. *Scope: Suitable for power 1050W more impact drill. Specifications: *Material: Metal, Plastic *Color: Black *Clamping range: 0.8-10mm/0.031"-0.39" *Mount: 3/8-24UNF *Socket Connecting rod: 1/2" Square Socket Adaptor Package Contents: 1*Drill Chuck 1*Socket Adapter Notes: Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.