MATERIAL: Thin wall hollow round pipe constructed from aluminum alloy PRODUCT SPEC: Large diameter aluminum tubing with complete OD×ID matching sizes SIZE COMBINATIONS: Available specifications: 50x47, 50x48, 70x67.6, 76x72, 80x77, 85x81, 90x86, 100x96 TUBE FEATURE: Even wall thickness, smooth surface and straight tube body APPLICATION SCENARIOS: Suitable for industrial frames, mechanical supports and equipment assembly, Manufacturer: KAPQIN