Box joint (= double guidance). Designed to prevent fingers being trapped. Induction hardened. Notched serrated jaws, self-clamping on pipes and nuts. Multi-position stepped adjustment. Insulated to DIN EN 60900 / VDE 0682-201.
Pliers chemically blacked, head bright polished, handles insulated with multi-component covering.
DIN ISO 8976
Chrome vanadium steel, drop forged.