Product Name: Precision Drawn Steel TubesModel Number: ZE10Place of Origin: ChinaFeatures: 1) ID: 28mm - 300mm 2) Wall thickness: 5mm - 30mm 3) Precision pulled steel tubes are half-finished products by pulling and surface treatment according to specific bore dimensions after feedstock steel tubes having been normalized 4) They can be used for barrels of subsurface pumps, hydraulic cylinders and gas cylinders Packing: Bulk