Kobalt 338361 7-Piece 72-Tooth 12-Point Ratcheting Combination Wrench Set, Inch, includes 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, and 11/16-Inch Wrenches 7 PIECE SET - 7-Piece set of combination wrenches includes a selection of the most commonly used SAE sizes DURABLE POLISHED STEEL - Wrenches are made from durable heat-treated chrome vanadium steel with a fully polished finish 12-POINT BOX - 12-point box end allows wrench to work on 6-point, 12-point, star, square, and even semi-rounded fasteners 90-TOOTH DESIGN - 90-tooth ratcheting mechanism only needs a 4-degree arc swing ANGLE-FREE SHAFT - Wrench shafts are flat to allow easier access to narrow work spaces where ratchets and sockets will not fit