[Quick replacement & portable]You can keep all the little drill accessories with you for quick change outs. Perfect to carry the ones you really use. The 1/4inch Hex Shank Holder is useful for quick access to bits without having the bring the whole tool box with you and saving some room from inside your bag using theses bit holders. [Light-weight]The light-weight quick-change bits holder is simple to install and release each bit. [Highlight]LIGHT WEIGHT,DURABLE:Chrome-plated surface is anti-rust and corrosion-resistant, anti-oxidation. [Large Load]The powerful ball lock buckle of bits holder can carry bits tools up to3.3lbs in weight. To keep the drill bits not easy to fall. [Higher Efficiency]Thanks to the smooth surface processing and pull-out bushing, can avoid accidental dropping of tools and facilitate high-altitude operations. It can be fitted with a short bit or a long bit. Keychain has a flat, thick and round design, which makes it easier to take the Extension Bar and change the bit with one hand. Colour:black Material:Metal Package Contents: 18 x Screwdriver Bits Holder 3 x carabiner 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.