6pcs Hex Shank Screwdriver Bit Adapter and Sleeve Screwdriver Driver Socket Set

Description:  6Pcs Power Screwdriver Extension Bar Adapter and sleeve 1/4 Inch Hex Shank Power Screwdriver Driver Socket Bit.    Features:  1. Spring loaded ball bearing on head holds sockets securely.  2. Suitable for 1/4 inch chuck systems or directly into drill chuck.  3. Change your hand socket set into a driven socket set.  4. This set is perfect for your impact driver or drill.  5. The 1/4 inch hex shank fits chucks as well as standard drill chucks.  6. 1/4 inch shank can be converted to 1/4 inch, 3/8 inch, 1/2 inch square head.    Specification:  Material: chrome vanadium steel;  3pcs Sleeve: 6mm, 8mm, 10mm;  3pcs Adapter; 1/4", 3/8", 1/2"; ; Shank: 1/4 Inch Hex Shank;    Package Included:  1 x adapter set (6pcs)