TEMO 25pc PH2 Impact Ready Phillips Screwdriver 2 inch (50mmL) Length Insert Bits hex shank with quick release slot 25 pc Phillips #2 (PH2) 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