CX5 cylinders are available with the option of added security features conforming to Underwriters Laboratories standards and tests.
| Product Features | Standard | UL 437 |
| Unique floating side bar pins | ٭ | ٭ |
| Exclusive keyways | ٭ | ٭ |
| Patented cylinder & key | ٭ | ٭ |
| Pick resistant spool pins | ٭ | ٭ |
| Two (2) anti-drill points | ٭ | ٭ |
| Nine (9) anti-drill points | ٭ | |
| Hardened steel side bar | ٭ | |
| Stainless steel top and bottom pins | ٭ | |
| UL 437 high security cylinder listing | ٭ |