... : blade is 65# high manganese steel or CrMo or other high quality steel. handle is made of carbon steel. 3. surface ... . Till now, we have passed ISO9001:2008 international quality management system certificate, TUV, BV inspection, SGS certificate ... us and our customers based on supply good quality tools. sizesoftmedium12”-300mm5mm4mm14”-350mm7mm5mm18”-450mm8mm6mm24”-600mm10mm8mm30”-750mm13mm10mm36- ...