Part No. UCR Size Tube O.D. D Tube W.T. T Dimension (mm) inch inch mm inch mm A B F-CMGS-04- 1/4 1/4 6.35 0.039 1.00 15.30 6.35 F-CMGS-0804- 1/2 1/4 6.35 1.00 15.80 F-CMGS-0806- 1/2 3/8 9.53 1.00 F-CMGS-08- 1/2 1/2 12.70 0.049 1.24