Description: With a key chain, this socket adapter can be easily installed on the chain buckle. It is small and portable, and it is easy to hold and change the drill bit with one hand. An adapter for this sleeve can mount short bits, long bits, screwdrivers, bits and other tools. It is a proper extension for most screwdriver bits. It is constructed of aluminum alloy material. The diameter of each product is 15mm. The length of this product is 38mm. It is suitable for home, workshop, repair store, factory, etc. Item Name: Socket Adapter Material: Aluminum Alloy Features: High Hardness, Sturdy, Hexagonal Handle, Practical Size Details: Diameter: 15mm/0.59"(Approx.) Length: 38mm/1.5"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Color: Black, Blue, Green, Red, Yellow, Silver 1 x Socket Adapter or Color: Multicolor 6 x Socket Adapter