Description: Good replacement: The sizes of the adapter are 1/4inch, 3/8inch and 1/2inch, which can replace the old or damaged one perfectly, you can order according to your needs. Quick changing: The drill bit extension bar can transfer the hand socket tool to driver socket tool, making your work easier, and you just need to insert it into the socket easily. Wide use: This drilling bit adapter is suitable for your impact screwdrivers and drills, allowing you to change the ratchet tools with an electric supply, not easy to make trouble for you. Spring loaded: There is designed with bearing ball that is convenient for you to fix the rod on the socket, avoiding slipping or falling off when working, ensuring your security. Portable: The power tools are designed with a small size and lightweight, you can place them into a tool case, easy to store and carry that will not take so much strength. Specification: Material: metal. Color: show as pictures. Size: 1/4inch, 3/8inch, 1/2inch. Length: approx. 78mm/3.07inch, 65mm/2.56inch, 67mm/2.64inch. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 3 Pieces Driver Socket Adapters.