Stainless Steel Socket Extension Rod Hand Tool Combination 1/4 Batch Head Quick Change Sleeve Keychain Extension Rod Hardware.   Features: 1. Hard steel holder for maximum durability, the heavy-duty construction allows for long service life.  2. Extend all kinds of screwdriver bits, screwdriver head conversion uses.  3. Universal 1/4inch quick hex shank and 1/4inch hex socket fit most electric drivers, hand-held drivers and bits.  4. Compact and portable, easy to carry around.  5. Suitable for drill, screwdriver, batch head and other to transfer.  6. Screwdriver Bits Holder only, other accessories demo in the picture is not included.  Specifications:   Material:Stainless Steel;  Size: App.35x6.35mm/1.38x0.25in;  Color: Gold, Red, Blue, Green, Black, Colorful;  Quantity: 1 Pc × Screwdriver Bits Holder;  Or 5 Pcs × Screwdriver Bits Holder;     Package Included: (optional)  1 Pc × Screwdriver Bits Holder;  Or 5 Pcs × Screwdriver Bits Holder.