V8121 - Standard Duty Deadbolt
| Model No. | Function code | Finish Code | Backset | Door Thickness |
| 81 | 11 - Single Cylinder with Thumb turn | US3 - Polished Brass | 60 mm/ 70 mm | 35 mm- 45 mm |
| US5 - Antique Brass | ||||
| 21 - Double Cylinder Deadbolt | US11 - Antique Copper | |||
| US32D - Stainless Steel |