Universal 1/4 Inch Hex Shank: Compatible with a wide range of drill and driver models, these bit holders feature a 1/4 inch Allen shank, making them a versatile addition to any tool kit. Steel Construction: Constructed from high-quality steel, these bit holders are built to resist wear and endure the rigors of both professional and home use, maintaining their functionality over many years. Quick-Change & Secure Grip: Featuring a reliable quick-change design, these bit holders allow for swift and secure bit exchanges, enhancing your efficiency and reducing downtime during tasks. Magnetic Bit Holders:bit holders your bits are held firmly in place, providing stability and precision in all your drilling and driving operations, whether in tight spaces or on overhead tasks. Convenient Keychain Access: Designed to be compact and easy to carry, each bit holder includes a keychain option, ensuring your bits are always within reach when needed during construction or DIY projects., Weight: 0.18077905484 pounds, Manufacturer: Vkyipg