Mini Keyless Drill Chuck 03-8mm Self-Tighten Electric Drill Bits Collet Fixture Tools 1/4 Hex Shank Quick Change Converter Mini Keyless Drill Chuck 0.3-8mm Self-Tighten Electric Drill Bits Collet Fixture Tools 1/4" Hex Shank Quick Change Converter Features: new and high quality. Instantly converts impact drivers to hold non-quick change drill & driver bits. Keyless chuck finger tightens for easy bit changes. Quick-change hex shank for instant swaps, 1/4" impact drivers & quick-change adapters. Easily locks onto and releases drill bits. Allows hex drive power tolls to use conventional drill bits. Specifications: Material: Alloy Size: As the pictures shown Color: As the pictures shown Quality: 1Pc Note: There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks. Package Included: 1Pc x Drill Chuck Adapter Packed Safely in Bubble Bag.