Professional Equipment Rack12 Deep Usable Space from Front Rail. Standard 19 Mounting Rail Width. Back and front removable lids. Durable and solid rack rails. 2.5 Front/Rear Door Depth.Four Industrial Grade Rubber Feet. ProX Standard Silver on Black Design. ProX Branded Spring Action Recessed Handles. Easy Locking Fit Aluminum Tongue and Groove. Signature Series Honeycomb DigitalT Laminated 3/8 Plywood. ProX Heavy and Powerful Steel Ball Corners & Dual Anchor Rivets. ProX Branded Industrial Recessed Butterfly Twist-Lock Latches - Padlock Ready.