Need more width for your Kidco Auto Close Gateway(R), the pressure-mounted baby gate that closes and locks itself? Add one or two of these matching Extension Kits. The basic Auto Close Gateway (sold separately) expands from 29"W-37"W, but with these, you can barricade openings up to 47 1/2"W. Order one Extension Kit for spaces up to 42 1/2"W, or two Extension Kits for spaces up to 47 1/2"W. 29 1/2"H. Choose Black or White metal to match your gate. Made of heavy-gauge steel, with a powder coat, non-toxic finish