... Magnetic,Corrosion Resistant 1.Non Sparking Tools.Spark Free,Antispark.Spanner,Adjustable Wrench,Pipe Wrench,Chain Hoist,Pliers and so on .Material ... Stainless Steel Tools.Pliers,Box End Wrench,Open End Wrench,Adjustable Wrench.Material:304 Stainless Steel.3.Carbon Steel Tools. ... 40Cr Stainless Steel Plier Black finished carbon steel wrench,DIN7444 Adjustable Spanner,Stainless Steel,Corrosion Resistant