Drilling protection
| AB= | Area of application | Info |
| 2 | For profile knob, half and special cylinders | per cylinder |
Test certificate
| SZ= | AB= | Description | Area of application | Info |
| DIN | 2 | DIN-tested profile cylinder | For profile half and knob cylinders | per cylinder |
Special finish
| OF= | Area of application | Info |
| MV | For profile and locking lever cylinders | per cylinder |
| MG | For profile and locking lever cylinders | per cylinder |
| MP | For profile and locking lever cylinders | per cylinder |
| MC | For profile and locking lever cylinders | per cylinder |
Dust and rain protection
| SUR= | Area of application | Description | Info |
| 0 | | Deviating from the standard cap | per cylinder |
| 3 | For profile knob and double cylinder, double cylinder one side blind and half cylinder | | per cylinder |
Cam position and free wheeling function
| SST= | Description |
| 90-270 | 90-270 degrees |
| 270-90 | 270-90 degrees |
| 270-0 | 270-0 degrees |
| 0-90 | 0-90 degrees |
| 180-90 | 180-90 degrees |
| 270-180 | 270-180 degrees |
| 135-180 | 135-180 degrees |
| 135-225 | 135-225 degrees |
| 90-180 | 90-180 degrees |
| 180-270 | 180-270 degrees |
| 270-30 | 270-30 degrees |
| 330-90 | 330-90 degrees |
| FZG | Freewheeling cylinder for gear locks |
Cogwheel version
| 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 |
| K901293 | Laperche type | Diameter 24 mm / Module 1,5 / 14 teeth |
| K901188 | Italian type | Diameter 27 mm / Module 1,5 / 16 teeth |
Special identification marking
| Description | Info |
| Special designation of your choice for the front of profile cylinders, 6 characters maximum (SBZ=) | per side |
Installation lengths of half cylinders
| L_A= |
| 28 |
| 30 |
| 35 |
| 40 |
| 45 |
| 50 |
| 55 |
| 60 |
| 65 |
| 70 |
| 75 |
| 80 |
Variant
| VAR= | Description | Area of application | Info |
| 1901229+3+2MAL M4 | Fixing bore M4 | For profile half cylinder | per cylinder |
| K901310-X-BIFFAR | Double cam with 2 outputs arranged 180° from each other | For profile cylinder | per cylinder |