Sufficient : There are 5 different colors of red, blue, green, gold and black, which are enough to your Durable 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 key chains are suitable for screwdriver bit extensions; the universal-purpose 1/4-inch fast hex and 1/4-inch hex socket are compatible with electric screwdrivers, handheld screwdrivers and drill Thoughtful design: The cup- design of the hexagonal handle extension rod is convenient for you to hold and easily replace another drill bit, which can you with a pleasant experience color:Photo color Material:Metal Package Contents: 10 x holder 2 x black metal hanger buckles Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.