Made of 6063-T5 aluminum alloy, excellent forming and machining performance for industrial processing and custom profile production. Outer diameter covers 26mm, 27mm, 28mm, 29mm, 30mm round tube sizes to match various structural assembly needs. Lightweight aluminum round pipe with stable hardness after T5 aging treatment, good load-bearing capacity without excessive weight. Smooth uniform surface, easy to cut, drill, tap, weld and bend for fixture, frame and mechanical accessory processing. Sold as 1 single piece, convenient for prototype testing, small batch machining and DIY structural modeling projects., Manufacturer: KAPQIN