... , 40Cr alloy steel, Cr-V steel2) Surface finishing: chrome plated, black oxide, phosphorized, matte finished, nickel iron finished3) Handle: various kinds ... of comfortable grip made of PP, PVC, and TPR at one color or two tone colors combined4) Size: 4/6 ... steel or CrV steel surface Satin finished, Mirror polished or Black finished at 1/4, 3/8 or 1/2" drive with ...