Allied 39023 138 Piece Pro Tool Set 3/8" & 1/4" Drive, Quick release ratchet, 3/8" drive, 45 tooth ratchet only needs 8 degrees of sweep to turn fasteners, dyna drive torque systems, engineered to contact fasteners on flat sides for greater torque Quick release chrome vanadium steel 3/8" drive ratchet , hight torque rubberized screwdriver grips with chrome vanadioum blades , heat treated sockets, wrenches and plier High torque rubberized screwdriver grips with chrome vanadioum blades 45 tooth ratchet only needs 8 degrees of sweep to turn fasteners Quick release chrome vanadium steel 3/8-inch drive ratchet