... 48.3mm diameter3. Surface: electro galvanized or hot dip galvanized.4. British type drop forged double coupler weight: 1.05kg,British ... Standards: BS1139, EN74 / EN74B6. Package: 20pcs one bag, 50bags in a jumbo bag,bundle bags, steel pallet,plywood crates7. Quality ... , Germany, American, Brazilian style couplers.....etc British hot dip galvanized.48.3mm diameterDouble Coupler/Right Angel Coupler)