Windsor Plus is a premium railing product for use in installations where 4" spindle spacing is required or desired. Perfect for decks or your front porch, Windsor Plus Railing has a traditional twisted spindle. Windsor Plus offers a 1 1/4" x 1" sculpted channel. The 4" spindle spacing responds to most building codes. . Designed for both straight applications and steps, Windsor Plus is versitile enough for any project. The long lasting black, baked-on finish will keep your railing looking good for years. The standard mounted height is 32".