Incorporating a steel frame and a key-locked 3/16in smoked-gray plexiglass door, our SECL Series locking security covers are offered in 2, 3, 4, and 8 rackspace sizes. Each unit's depth of 1-1/2in easily clears controls on most equipment. Prevents tampering with locking 1-1/2in deep cover. Smoked-grey plexiglass door allows clear view of equipment settings. Compatible with security rack screws for enhanced security.Incorporating a steel frame and a key-locked 3/16in smoked-gray plexiglass door, our SECL Series locking security covers are offered in 2, 3, 4, and 8 rackspace sizes. Each unit's depth of 1-1/2in easily clears controls on most equipment. Prevents tampering with locking 1-1/2in deep cover. Smoked-grey plexiglass door allows clear view of equipment settings. Compatible with security rack screws for enhanced security.