| Diameter | Flush Hole | Button Dia * Qty | Weight | |||
|---|---|---|---|---|---|---|
| mm | inch | Outer | Front | kg | lb | |
| 70 76 85 90 |
2 ³⁄₄ 3 3 ¹⁄₃ 3 ¹⁄₂ |
2 | 11X6 12X6 12X6 12X7 |
10X4 10X6 10X6 11X5 |
2.2 2.5 3.0 3.5 |
4.84 5.5 6.613 7.716 |