| Item # | Tube Outer Diameter | Dimension A | Dimension B |
|---|---|---|---|
| U-F-2 | 1/8 in | 0.44 in | 1.01 in |
| U-F-4 | 1/4 in | 0.56 in | 1.38 in |
| U-F-6 | 3/8 in | 0.75 in | 1.38 in |
| U-F-8 | 1/2 in | 1.00 in | 1.62 in |
| U-F-10 | 5/8 in | 1.13 in | 1.7 in |
| U-F-12 | 3/4 in | 1.25 in | 1.75 in |
| U-F-16 | 1 in | 1.50 in | 1.9 in |
| U-M-4 | 4 mm | 0.44 in | 1.01 in |
| U-M-6 | 6 mm | 0.56 in | 1.38 in |
| U-M-8 | 8 mm | 0.75 in | 1.38 in |
| U-M-10 | 10 mm | 0.75 in | 1.38 in |
| U-M-12 | 12 mm | 1.00 in | 1.62 in |