2-13mm Heavy Duty Professional 1/2-20 Unf Quick Change Keyless Drill Chuck Tool With 6.35mm(1/2) Sds Adapter Jiujiuso The product is shipped based on the color or size of the main image of the product page. Heavy Steel Body. Material: carbon steel, tungsten steel claws. REMARK: Product can NOT be used counter-clockwise Quick and easy to use by hand for fast bit changes. Increased clamping force, with SDS shank to quick change for electric hammer. Applicable scope: suitable for the power of 1050 w above the impact drill. Keyless chuck for mains use, cordless drills and drill conductors. Product It has a locking function, only to tighten the rotation adapter prevent hammering and other strong vibration when the work is released. Comfortable jacket surface, with strong grip, easy to grip, making the output torque more large. Unique thrust bearing, torque applied to the handle is easily translated into greater gripping strength. Applicable scope: suitable for the power of 1050 w above the per hammer drill. Maximum length without jaws: 62.5 MM Maximum width: 43 MM Quantity delivered: 2 pieces