1/4 inch hex screwdriver bit holders. The package includes 12 pieces of 1/4 hex shank extension rod with a black metal hanging buckle with 1/4 quick hex shanks and 1/4 hex sockets and various electric screwdrivers, hand screwdrivers, and drills. Strong and sturdy. The drill bit extension holder is made of high-quality metal, can achieve maximum durability and extend service life, and the chrome-plated surface is anti-rust and corrosion-resistant, anti-oxidation. Safety. It can be carried with you to avoid accidental dropping of the hex handle. It is easier to use the product and replace the drill you need with one hand, which contributes to safety during high-altitude operations. Portable and wide application. The extension rod with small size and easy to carry, suitable for transferring various drills, screwdrivers, etc. It can also be used as a. Specification: Drive system: Hex Color: Photo color Material: Metal Size: 10.49 x 7.19 x 2.79 cm Package contents: 12 * Holder extension rod Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.