This all-metal hutch, is specially designed to accept a dropping pan without the need for a Stack-A-Hutch Kit. Cages may still be stacked, if desired. Available with standard metal pans or our tough ABS plastic pans. Overall height is 18", with actual cage inside height 16". J-clip pliers are not included and should be ordered for ease of assembly. 1x2 sides and top with 1/2x1 floor. Note: The first dimension listed will have your door. Part numbers ending SP have plastic pan, SPM have metal pans. *Special note, if you are selecting urine guards for these cages you will need the ones that end in SP.