| Series | Tooth | Description & Material | Module Available  | Tooth Treatment  | Quality | 
|---|---|---|---|---|---|
| 23 | straight | cast iron | 1; 1,5; 2; 2,5; 3; 4; 5; 6  | non | 8 | 
| 24 | straight | hardened & ground 16MnCr5  | 2; 3; 4; 5; 6 | case-hardened & ground | 6 | 
| 24.98 | straight | hardened & ground for rework 16MnCr5  | 2; 3; 4; 5; 6 | carburized, teeth induction hardened  | 6 | 
| 24 | helical | hardened & ground 16MnCr5  | 1,5; 2; 3; 4; 5; 6;  8; 10  | case-hardened & ground | 6 | 
| 24.99 | helical | hardened & ground for rework 16MnCr5  | 2; 3; 4; 5; 6; 8  | carburized, teeth induction hardened  | 6 | 
| 24.0 24.7  | straight | hardened & ground 16MnCr5  | 5; 10 & 13,33 mm Teilung  | case-hardened & ground | 7 | 
| 74 | helical | pre-load pinion shaft case hardening steel  | 2; 3; 4; 5; 6; 8 | case-hardened & ground | 7 | 
| 78 | helical | hardened & ground for EN ISO 9409-1-A interface 16MnCr5  | 2; 3; 4; 5 | case-hardened & ground | 5 | 
| 78 | helical | TR-pinion hardened & ground wirth flange for EN ISO 9409-1-A interface 16MnCr5  | 2; 3; 4; 5; 6; 8 | case-hardened & ground | 5 | 
| 78 | straight | TR-pinion hardened & ground wirth flange for EN ISO 9409-1-A interface 16MnCr5  | 2; 3; 4; 5; 6; 8 | case-hardened & ground | 5 | 
| 79 | helical | hardened & ground with spline profile acc. DIN 5480  | 1,5; 2; 3; 4 | case-hardened & ground | 5 |