PX-5-BR Size: 5" Features: -Extension for pressure gate II. -Rugged steel construction. -Color: Brown. -10.5'' Extension is available for openings 33.25'' to 43.25''. -In addition this gate automatically locks itself shut; just give it a push and it closes and locks behind you. -Available in two sizes:. -5'' Extension dimensions: 29.75'' H x 5'' W. -10'' Extension dimensions: 29.75'' H x 10'' W.