AMPCO® Nonsparking Pipe Wrenches feature copper alloy construction for safe use where flammable vapors or combustible residues are present. Wrenches are nonsparking, nonmagnetic and corrosion-resistant.
Bronze Pipe Wrenches have beryllium copper teeth; the beryllium content is no more than 2%.
Aluminum Pipe Wrenches have cast-aluminum body with copper alloy jaws.