4-Style Versatility Offers four distinct appearance options to match various work scenarios and user preferences. 6.35mm Bit Compatibility Designed for standard 6.35mm (1/4") hex shank bits, seamlessly converting wrenches for drilling tasks. Dual-Power Drill Adaptability Compatible with both corded electric drills and cordless lithium-ion battery drills for flexible operation. Compact Construction plastic and metal build measuring 55-75mm in length, weighing approximately 300g for balanced handling. Portable Multi-Tool Solution yet robust design enables quick bit changes and enhanced functionality across drilling applications. 4-Style Versatility Offers four distinct appearance options to match various work scenarios and user preferences. 6.35mm Bit Compatibility Designed for standard 6.35mm (1/4") hex shank bits, seamlessly converting wrenches for drilling tasks. Dual-Power Drill Adaptability Compatible with both corded electric drills and cordless lithium-ion battery drills for flexible operation. Compact Construction plastic and metal build measuring 55-75mm in length, weighing approximately 300g for balanced handling. Portable Multi-Tool Solution yet robust design enables quick bit changes and enhanced functionality across drilling applications. Specifications: *Product Name:Electric drill conversion chuck *Material:plastic metal *Size:as show *Color:red black Color: As Shown Material: Plastic+Metal Specification: A Package Contents: 1 bias unit 1 quick-change three-jaw chuck Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.