Made of standard 304 stainless steel, stable anti-rust and weak acid resistance for micro fluid equipment Integral seamless forming without welding joints to avoid leakage of tiny liquid and gas media Complete outer diameter range from 0.5mm to 3mm to match miniature instrument assembly demands Multiple pre-cut length options: 100mm, 200mm, 250mm, 300mm to save secondary cutting procedures Straight tubular shape with uniform thin wall thickness and tight dimensional tolerance, Manufacturer: KAPQIN