Eliminate the prospect of tampering with these tough security covers. Offered in fine perforation styles, each cover is 1in 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 1in deep metal cover. Fine perforation is most secure while allowing view of status LEDs. Includes installed rubber edging that won't mar equipment. Compatible with security rack screws for enhanced security.Eliminate the prospect of tampering with these tough security covers. Offered in fine perforation styles, each cover is 1in 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 1in deep metal cover. Fine perforation is most secure while allowing view of status LEDs. Includes installed rubber edging that won't mar equipment. Compatible with security rack screws for enhanced security.