Universal Compatibility: Designed to fit most 1/4 inch hex shank drill bits and sockets, this keychain bit holder is compatible with a wide range of electric and handheld drivers. Its versatility makes it a must-have in any tool kit, ensuring you're always prepared for any task. Efficient Quick Change Feature: Streamline your work with this hex shank bit holder that allows for rapid bit changes. the need for bulky storage boxes with this compact solution that offers easy removal and replacement, enhancing your workflow and reducing downtime. Space-Saving and Time-Saving: Attach this handy bit holder to your bag or belt loop for easy access to your drill bits. Avoid the hassle of carrying a full tool bag and save time by having the right bit at your fingertips, making it a practical addition to your tools. Robust and High Capacity: Constructed from high-grade aluminum alloy, this drill bit holder is built to last. It can support up to 3lbs, preventing accidental tool drops and facilitating operations at heights, making it a reliable choice for professional and DIY projects. Ideal Gift for Tool Lovers: Perfect for men who appreciate practical gadgets, this bit holder makes an excellent gift for dads, husbands, boyfriends, or any DIY enthusiast. It's a thoughtful and useful present for birthdays, holidays, or any special occasion. Color: Black Material: Metal Package Contents: 24*keychain extension 4*buckle 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.