Part No. UCR Size Tube O.D. D Tube W.T. T Dimension (mm) inch inch mm inch mm A B F-CMGL-04- 1/4 1/4 6.35 0.039 1.00 30.50 6.35 F-CMGL-0804- 1/2 1/4 6.35 1.00 32.80 F-CMGL-0806- 1/2 3/8 9.53 1.00 F-CMGL-08- 1/2 1/2 12.70 0.049 1.24