Alumina Double Bore Tubes
| Item # | Inner Diameter | Outer Diameter |
| ADB503 | 0.005 in | 0.032 in |
| ADB504 | 0.010 in | 0.047 in |
| ADB505 | 0.016 in | 0.062 in |
| ADB506 | 0.010 in | 0.047 in |
| ADB507 | 0.025 in | 0.093 in |
| ADB508 | 0.020 in | 0.125 in |
| ADB509 | 0.032 in | 0.125 in |
| ADB510 | 0.040 in | 0.125 in |
| ADB511 | 0.032 in | 0.156 in |
| ADB512 | 0.040 in | 0.156 in |
| ADB512-1 | 0.047 in | 0.156 in |
| ADB513 | 0.032 in | 0.188 in |
| ADB514 | 0.040 in | 0.188 in |
| ADB515 | 0.047 in | 0.188 in |
| ADB516 | 0.062 in | 0.188 in |
| ADB517 | 0.050 in | 0.200 in |
| ADB518 | 0.040 in | 0.250 in |
| ADB519 | 0.062 in | 0.250 in |
| ADB520 | 0.078 in | 0.250 in |
| ADB521 | 0.093 in | 0.250 in |
| ADB522 | 0.062 in | 0.312 in |
| ADB523 | 0.078 in | 0.312 in |
| ADB524 | 0.125 in | 0.375 in |
| ADB525 | 0.156 in | 0.500 in |