Completely interchangeable - easily configured to maximize animal holding area Constructed of a 20 gauge, type 304 polished stainless steel - heavier gauge stainless steel means less noise and longer life Heavy duty reversible door - 3/8" diameter frame - 3/16" diameter vertical rods - 1/4" diameter crossmembers Heavy gauge latch system - extrememly quiet - easily cleaned - padlock or door clip One piece stainless steel hinge plate with multiple attachment points for stability - prevents sagging One-piece stainless steel corner/trim strips enchances strength and stability - easier to clean Full 1" radius corners for easy cleaning Fluid retaining lip and built-in paper retainer 30" and 36" tall cages have 5 crossmembers 48" x 30" x 28" cage available with a choice of latch design Configurations utilize VSSI's unique "Lap-Lock" system with overlapping, locking, uniframe mounting - for easier assembly and more durable overall structure Formed threading for mounting - will not cross thread or strip out - prevents the stainless steel screws, which are self-locking, from loosening with everyday use *All cages are single door except for the 48" wide cages which have double doors