Item description from the seller
304 Stainless Steel Capillary Tube Pipe (OD 1mm -OD 20 mm) Length 50Omm 2PCS
Material: 304 stainless steel
OD: Outer Diameter
ID: Inner Diameter
Length: 500mm
Shipping quantity: 2PCS
Note: the cutting surface will have burrs, if you mind, please bid carefully
and size will have deviation