These sturdy, deeper ATA amp racks incorporate dual rack rails (front and rear), stackable ball corners, heavy-duty rubber feet, spring-loaded handles, and removable front and rear covers. Designed to protect and transport larger amps and other standard 19" Rack mount gear. Internal depth (rail to rail): 16. 5". Internal depth (rail to cover): 19. 75" (For more information about this product and other Odyssey products visit our website at www. Odysseygear).