| Catalog Number | Width (mm) | Length (mm) | Hole Dia.(mm) | a (mm) | b (mm) | Pack Contains Each | Box Contains Each |
| Ek.10.1010 | 21.7 | 15.3 | ∅ 4.8 | 11.3 | 6 | 250 | 30000 |
| EK.27.1027 | 27.3 | 15.2 | ∅ 4.8 | 11.2 | 9.8 | 250 | 30000 |
| EK.28.1028 | 36.3 | 15.2 | ∅ 4.8 | 11.2 | 19 | 250 | 25000 |
| EK.18.1018 | 22 | 15.5 | ∅ 4.8 | 11.6 | 7 | 250 | 30000 |
| EK.24.1024 | 20.3 | 20 | ∅ 4.8 | 8 | 8 | 100 | 25000 |
