Description Gator 4U Molded Rolling Rack is constructed of lightweight and durable roto-molded polyethylene.  Complete with locking lid, this case travels easily with wheels and retractable handle for towing. Features: Front & Rear Rack Rails Molded Side-handles for comfortable carrying Roller blade-style inline wheels Field Replaceable 7mm Zinc-Plated Steel Rack Rails with threading Telescoping retractable tow handle Interior Dimensions (L x W x H): 16.5″ x 19″ x 7″Exterior Dimensions (L x W x H): 23.03″ x 22.24″ x 9.5″Part Number: GRR-4LUPC Code:  716408500959