High Quality: Hard steel holder extension bar and steel bit for maximum durability, sturdy construction allows for a long service life Quick Use: The bit holder has strong magnetism for quick connection or disconnection and ensures it stays in place while driving Universal Fit: Universal 1/4" hex shank and 1/4" hex socket fit most power drivers, handheld drivers and bits Easy to Carry: The small size allows you to bring your bit extension bar anywhere to do any job and can fit in many tool bags Application: Very useful for removing or tightening a large number of screws after starting or loosening them Specifications: Material: Chrome Vanadium Steel (Black), Stainless Steel (Silver), Aluminum (Blue) Hex Socket Size: 6.35mm (1/4") Head Diameter: 7.5mm (0.29") Length: 60mm (2.36") Model: PH2 Material: Steel Length: 25mm (0.98") Package Includes: 1 x Bit Holder Extension Bar, 1 x PH2 Bit