1.Q235Q255345 2.Galvanized,HDG, Drop Forged 3.ISO9001:2008, EN74, BS1139, AS1576 4.48.3mm*48. ... .2.Main product: Scaffolding System( Kwikstage, Cuplock, Ringlock, Haki); Scaffold Coupler( British Type, American Type, German Type, Italian Type, Australian Type ... convenient transportation.6.Provide good service for everyone.Images Drop Forged Double Coupler galvanized for Scaffolding