TEMO 25p Pozi PZ2 Impact Ready 2 inch (50mmL) Length Screwdriver Insert Bit Hex shank with quick release slot 25 pc Pozi #2 (PZ 2) Screwdriver Insert Bits in a storage box. All bits are 2" Long with 1/4" (6.35mm) Shank Industrial quality with quick release slot Made of S2 steel for maximum durability. Bits are impact ready. Suitable for both hand tool and electric tool