FMSI K551 5/16" O.D. Invert Flare Silver Zinc Hydraulic Line With 1/2" - 20 Tube Nuts (51")

51 inch length with invert flares. 5/16" O.D. silver zinc tubing. No.3006 (1/2". 20) tube nuts at both ends. Use with No.3007 unions (not included) SILVER ZINC Tubing: Double walled steel tubing (no open seams). Steel treated with double-sided copper coating prior to rolling. Tubing exterior protected with white zinc dichromate plating to help shield against the corrosive effects of road abrasion and road treating chemicals. Tubing double annealed for improved workability, easy bending and flaring. .028" tubing wall meets or exceeds OE specification for brake line tubing. Zinc plating thickness specification 13mm (0.013mm). manufactured to 13.3-13.8mm (0.0133-0.0138mm).