Arlington EB1212-1 Electronic Equipment Enclosure Box, 12" x 12" x 4", Non-Metallic, 1-Pack Enclosure boxes protect and secure power backups and security devices in a debris-free environment Made of heavy-duty, UV-rated non-metallic material, dimensions: 12" x 12" x 4" Enclosure boxes are lockable with a latch that accommodates a padlock Enclosure accepts an optional key-lock, front door has a knockout that fits cam-lock(model: EBL1-1) handy 1/2-inch and 3/4-inch knockouts on top and bottom of enclosure box Non-metallic enclosure boxes - for protecting and securing power backups and security devices in a debris-free environment Made of heavy-duty, UV-rated non-metallic material, dimensions: 12" x 12" x 4" Enclosure boxes are lockable with a latch that accommodates a padlock The enclosure lets you install an optional key-lock - the front door has a knockout that fits cam-lock(model: EBL1-1) Handy 1/2-Inch and 3/4-Inch knockouts on top and bottom of enclosure box