... Square Pipe, Rectangular Pipe, Embossed Pipe, Threaded Pipe, Oval Pipe, Special-shaped Pipe, FittingFeature: 1) Round PipeOuter Diameter: 6mm, 8mm, ... , 40X80mm, 45X95mm, 60X120mm, 50X150mm 4) LengthStandard is 6 meter, special length can be customized.5)Tolerancea) Outer diameter: ±0.2mmb ... . Professional Manufacturer of Stairs,Handrail,Door Handle,Ornamental Stainless Steel Tube with CE Certificate