The STANLEY® FATMAX® 61 Piece Mixed 25mm Screwdriving Set SL, PH, PZ, T, TT, Hex is forged and ground for longer life and durability, also being precision machined for a perfect fit. The quick release bit holder is 60mm long and holds 25mm bits securely in place. Suitable for screwdriving using a corded or cordless drill. Includes a small robust case for easy storage.