Kobalt 21-Piece SpeedFit Socket and Hammer Set SF221 Heavy Duty SpeedFit handle built identical to a ratchet with tool steel throughout covered by ergono Includes 8oz Claw Hammer and 1/4inch hex shank connector Versatile system - can go from mechanics wrench to hammer to screwdriver in one easy click All product in set is ANSI rated for torque Includes an assortment (10) 1inch driver bits- Phillips, Slotted, Star & Pozidriv