Product name:capillary tube, Material:Copper, Size:0.059,0.064,0.050,0.070 etc ... .050,0.070 etc Length:30 meters/coil Characteristics of Copper capillary tube 1light weight,2 good thermal conductivity,3 low temperature and ... also used in low-temperature piping assembly.5 Small diameter copper tube used in the delivery pressure of the liquid (such as ... (22.3) 0.045(1.14) 0.455(0.677) Capillary tube/pipe