Tripp Lite's UPSHDEARKIT front mount support bracket system accommodates 2U UPS systems in 4 post rackmount applications by using only the front vertical rails of the cabinet. Two included L bracket mounting ears offer front support of any Tripp Lite 2U rackmount chassis up to 29 kgs. (65 lbs.)- Front Mount UPS support brackets for 2-post 4-post racks wall-mounts and enclosures- Allows 2U UPS systems to be mounted by the front vertical rails. (No rear support needed)- Supports any 2U rackmount chassis up to 29.49 kgs (65 lbs)- Includes 2 heavy duty L bracket mounting ears