Sufficient quantity: There are 5 different colors of red, blue, green, gold and black, which are enough to meet your material: These drill bit socket adapters are made of steel, which has good durability, light weight and strong characteristics, thus ensuring the service life Widely used: These hex shank key chains are suitable for most screwdriver bit extensions; the universal-purpose 1/4-inch fast hex shank and 1/4-inch hex socket are compatible with electric screwdrivers, handheld screwdrivers and drill bits Thoughtful design: The cup-shaped design of the hexagonal handle keychain extension rod is convenient to hold and easily replace another drill bit, which can provide you with a pleasant experience color:Photo color Material:Metal Package Contents: 20 x bits holder 4 x black metal hanger buckles 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.