Forging by Chrome - Vanadium Steel Elaborately polished pliers head, Surface Sandblasted. Heat treatment for the holding rod,Used for adjusting the caliber of holding rod. Strong tensile resistance spring. Cutting Caoacity 0.2mm Iron Wire 0.8cm thickness of plier mouth Code Barcode Packaging Shipper Qty Size TPP0230 9328675010980 Slide On Blister 60 EACH 230MM(9")