| SST= | Area of application | Description |
| K901179 | Mul-T-Lock type | Diameter 24 mm / Module 2 / 10 teeth |
| K901180 | VIRO/IKON .138 type | Diameter 30 mm / Module 1,5 / 18 teeth |
| K901188 | Italian type | Diameter 27 mm / Module 1,5 / 16 teeth |
| K901293 | Laperche type | Diameter 24 mm / Module 1,5 / 14 teeth |
