Description These keychain screwdriver bits holders are made of ABS, steel and aluminum alloy material , which can be used for a long time. They are compatible with most 1/4 fast hex handles or 1/4 hex sockets, handheld screwdrivers bits and drill bits, 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:Fits for 1/4 inch bit -Made of ABS, steel and aluminum alloy material, which is strong and will not be easily damaged. -Extension bar bit holder comes with a keychain buckle, which can be easily to install on chain buckles. -Extend for most kinds of screwdriver bits, head screwdriver head conversion uses. -This extension holder very handy and flexible, making your work easy and improve work efficiency. -Come with a keychain buckle make it compact and portable, easy to carry around. Package list: 5 x bit holders 1 x keychain clasp