3Pcs Power Screwdriver Extension Bar Adapter 1/4 Inch Hexagon Shank Power Screwdriver Driver Socket Bit

Description:  3Pcs Power Screwdriver Extension Bar Adapter 1/4 Inch Hexagon Shank Power Screwdriver Driver Socket Bit.    Features:  1. Spring loaded ball bearing on head holds sockets securely.  2. Suitable for quick change 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 hexagon shank fits all quick change 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:  Product Name    Screwdriver Extension Bar Adapter;  Model Number    686420;  Material    Chrome vanadium steel;  Shank    1/4 inch hexagon shank;     Size:  Square Head Size    Length;  1/4 inch                     65;          3/8 inch    66;  1/2 inch    68;    Package Included:  3x    Screwdriver Extension Bar Adapter