General description Six color drill bit holder set with key ring designed to meet your daily needs. This 6-pack screwdriver bit holder set features a smooth surface and a detachable base, making it easy to hold and operate with one hand. The practical design includes a black metal keychain for convenient carrying on your waist or backpack. Technical specifications Material: High quality aluminum alloy Type: 1/4 inch hex shank screwdriver bit holder Number of pieces: 6 Usage The drill extension holder is ideal for quickly storing and transporting 1/4 inch hex shank drill bits and screwdrivers. The keychain bit holder features a ball lock mechanism that keeps the bits securely in place, allowing for easy one-handed bit changes.