... , 40Cr alloy steel, Cr-V steel 2) Surface finishin Adj. wrench:1) Material: C1045 Mild carbon steel, 40Cr alloy steel, Cr-V ... , 3/8 or 1/2" drive with different sizes 4-65mm assorted into BMC,metal box, ratchet handle can be 36, 60 ... or 72 teethCross rim wrench: 14/15/16/20/24/27"T handle wrench, long T, short T, 8-19mm socketRim wrench 300, 395mm lengthAny size ...