Kobalt 338369 8-mm 72-Tooth 12-Point Flex Box-End Ratcheting Combination Wrench WRENCH SIZE - 8mm metric box and open ended combination wrench 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 72-TOOTH DESIGN - 72-tooth ratcheting mechanism on box end only needs a 5-degree arc swing to operate FLEXIBLE HEADS - The box-ends each have a 180-degree flex head allowing you to reach fasteners at almost any angle