General description Set of 3PCS 1/4in Hex Handle Aluminum Alloy Screwdriver Bits Holder Keychains Extension Bar Drill Screw Adapter. Strong and durable material, designed for easy storage of short drill strings, making it convenient for on-the-go use or work. Features a quick-release bit holder for fast and easy bit changes with one hand. Compact size allows for easy portability. Can be used for transferring drill bits and screwdrivers, and also functions as a keychain. Technical specifications Material: Aluminum alloy Color: Orange, Red, Green Package Contents: 3 x Bit Holders, 1 x Buckle Measurement allowed error: +/- 1-3cm Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.