| Model # | I.D. | O.D. (A) | O.D. (B) | Length | Tenon O.D. |
| ERGC9A04B | 6.4mm (0.25") | 27mm (1.06") | 27mm (1.06") | 228.4mm (9") | 21.8mm (0.85") |
| ERGC9A06B | 9.5mm (0.375") | 27mm (1.06") | 27mm (1.06") | 228.4mm (9") | 21.8mm (0.85") |
| ERGC9A08B | 12.7mm (0.50") | 27mm (1.06") | 27mm (1.06") | 228.4mm (9") | 21.8mm (0.85") |