with extension lip, field reversable
| Make | Clarke Instruments |
|---|---|
| Manufacturer | Clarke Instruments Limited |
| Model code | 9131LIP |
| Series | 913 Series |
| Electric Release Type | Mortice Release |
| Fail-Open/ Fail-Secure | Fail-Secure |
| Material | Nickel plate |
| Door Material | Timber |
| Additional info | with extension lip, field reversable |