Drill Chuck Keyless Impact Driver Adaptor Hex Round Shank Screwdriver Head Micro Fixture Drill Bits for Electric Grinder 100% New Brand and High Quality Type: Keyless Drill Chuck Adapter Material: Alloy Shank Size : Hex / Round Shank Size: 0.3-6.5mm Hex Shank-Black 0.3-3.5mm Hex Shank-Black 0.3-3.4mm Round Shank-2.35mm 0.3-3.4mm Round Shank-3mm 0.3-6.0mm Hex Shank-White 0.3-8mm Hex Shank-Black 0.3-3.6mm Hex Shank-White 1. Easy Bit Changes: The keyless chuck finger-tightens for easy bit changes, making it quick and convenient to switch between different drill bits. 2. Versatility: These impact drivers are available in electric grinders, nail machines, and engraving machines, making them a versatile tool for a wide range of applications. 3. Multi-Purpose Use: They can be used in a variety of settings, including automotive shops, garages, warehouses, offices, and homes, making them a versatile tool for a wide range of tasks. 4. Improved Efficiency: With the ability to instantly convert to a holder for non-quick change drill and driver bits, these impact drivers improve efficiency and productivity, allowing users to complete tasks more quickly and easily. 5. Hex / Round Shank: These impact drivers feature a hex or round shank, providing users with versatility and flexibility when working with different types of bits and accessories. Package Included: 1* Drill Chuck Adapter window.adminAccountId=2673001307;