... ,SS,copper,brass 2)Weight from 0.05-20kg 3)Free Forging,Rigging Hardware,Hot Forging Free Forging,Rigging Hardware,Hot Forging 1 ... ) Material: Carbon steel, alloy steel, stainless steel, aluminum, brass, magnesium,Titanium2) Product weight from 0 ... Parts, hardware tools, scaffold couplers7) Manufacturer certification: ISO9001 (2000) / TS16949 Free Forging