Scaffolding clamp coupler, double coupler, swivel coupler : Product Specifications: 1. Raw Material: Q235; 2. Drop Forged; 3. Pipe diameter: 48.3mm or as per your requirements; 4. Certifies: BS 1139, EN 74 and ISO 9001: 2000; 5. Surface treatment: Electro galvanized, Hot dip galvanized, or painted; 6. Package: woven plastic bags and steel trays. OEM service is available.