1/4 OD x 0.035 WT 316L duplex 2205 control line coil tubing capillary tubing Tubing size: 1/4 OD x 0.035 WT Tubing material: 316L SS or duplex 2205 Packing length: 10000ft-30000ft/reel Application: This tubing is mainly mainly used for oil and gas well underground capillary pressure measurement or control of underground oil and gas well safety valve and through cable packer bleeder valve or fluid transmission of oil and gas well(such as liquid and steam) or injection chemical into oil and gas well connect to downhole.