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 | P | P |
| Exclusive keyways | P | P |
| Patented cylinder & key | P | P |
| Pick resistant spool pins | P | P |
| Two (2) anti-drill points | P | P |
| Nine (9) anti-drill points | P | |
| Hardened steel side bar | P | |
| Stainless steel top and bottom pins | P | |
| UL 437 high security cylinder listing | P |