ITEM NAME:125mm 5" Diagonal Nipper Side Plier Wire Cutter Jewelry Making Bead Hand Tool BX Features: Material: special alloy steel S58C The handle coated PVC Heat treatment: No acidification all deal with 42-50 HRC The blade with high frequency wave heat treatment HRC 54-62 Size:12.8x8.4x0.9cm Package Included: 1 x Red pliers MTC-21 125 mm.No acidification all deal with 42-50 HRC.