Eliminate the prospect of tampering with these tough security covers. Offered in regular perforation styles, each cover is 1 deep. Includes installed rubber edging that won t mar the equipment you re trying to protect. To enhance the level of security, use the patented Guardian Series security bit and HSK rack screws, see pg. 169. Prevents tampering with tough 1 deep metal cover. Large perforation allows clear view of equipment settings. Includes installed rubber edging that won t mar equipment. Compatible with security rack screws for enhanced security.