Description These screwdriver bit keychain holders are made of ABS, steel, and aluminum alloy materials, which can be used for a long time. They are compatible with most 1/4 quick hex handles or 1/4 hex sockets, handheld screwdriver bits, and drills, with a wide range of applications. Features -Color: Assorted Color -Material: ABS, steel, aluminum alloy -Size: 7.80X4.00X1.30cm/3.07X1.57X0.51in -Size: 5.00X2.50X1.50cm/1.97X0.98X0.59in -Note: Suitable for 1/4 inch bits -Made of ABS, steel, and aluminum alloy materials, which are strong and not easily damaged. -The extension rod bit holder comes with a keychain buckle, which can be easily mounted on the chain buckle. -Extension for most types of screwdriver bits, conversion of main screwdriver head used. -This extension holder is very practical and flexible, making your work easy and improving work efficiency. -Comes with a keychain buckle, making it compact and portable, easy to carry around. Packing list: 5 x Bit Holders 1 x Keychain Lock