These 18" tall galvanized cages are constructed with 1"x2" 14ga. tops and sides with 1"x1" 14ga vinyl coated floor. All cages are complete kits with swing in doors installed, door hanger(if applicable), floor spreader/stiffener(36" and wider compartment cages only), j-clips for assembly(J-clip pliers must be purchased separately). FLOOR SIZES ALSO AVAILABLE: 1/2"x1" 16ga.(UPG-1/2FL), 1"x1" 12ga.(UPG-1FL), 3/4"x3/4" 14ga.(UPG-3/4FL). OPTIONAL SWING OUT DOORS WITH: one spl-3 lock(UPG-SPL3), two spl-3 locks(UPG-SPL3-2), one spl-2 lock(UPG-SPL2), two spl-2 locks(UPG-SPL2-2), one powder coated spl-2 lock(UPG-SPL2PC), two powder coated spl-2 locks(UPG-SPL2PC-2). The first number in the cage size is the side the door is located on. Please note all upgrades are per compartment per cage.