The 328-piece BMW-specific metric kit is designed with BMW technicians in mind. In collaboration with BMW, this kit consists of six medium, chemical resistant, CNC-machined foam inlays, covering essential BMW car/technician needs, including screwdrivers, 1/4", 3/8" and 1/2" ratchet and socket needs, 3/8" 16, 18 and 21mm spark plug sockets, bit socket TX 3/8" 90mm (L) T25, 17 and 19mm 1/2" protective wheel sockets, E wrenches, five styles of wrenches, pliers, chisels, hammers hex key sets volt circuit tester and more.