Features: Brand new and high quality Transforms Impact Driver: This mini drill chuck is easyways to adapt or convert impact driver, power tools, and wrenches do work of regular power drill without any grinding needed. Drill Chuck Extension: This chuck for your impact drill extends the reach of your impact drill or driver. Gives you the freedoms of one-handed drilling with both left and right hand rotations. Drill: Drill chuck for impact driver has a standard 1/4inch chuck is excellent fit to power tools and is constructed of metal for durability that connects to your driver. Easy On-And-Off: Socket chuck adapter has a 3-jaw chuck securely holds round shank drill bit and includes 1/2 inch adapter to quickly go from driving to drilling. Fits Wide-Ranges Of Bit: Hand drill adapter is the capacity and clamping-range for all drill bit size from 1/16inch to 3/8inch drill bit to get drilling with impact driver. Specifications: Material:Metal Color:Black Chuck range: 1.5-10mm (1/16-3/8inch) Diameter of inner hole of chuck: 10mm Size:Approx.65x45x36mm/2.56x1.77x1.42Inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Drill Chuck 1x Drill Chuck Key Wrench 1x Hexagonal Conversion Rod 1x 1/4 To 1/2 Inch Adapter