Span a larger doorway or hallway by adding Extension Plugs to the Support Bar. The Extension Plugs click into the ends of the Support Bar and the bar is installed as usual. Each Extension Plug is 5" long as shown allowing for a span of 36-46" when used. If you would like to customize the length of a pair of Extension Plugs, please call direct to order custom widths (715) 752-4840. Looking for effective ideas for indoor play for toddlers all the way up to grade school students? We’ve got just the play sets! From indoor swings, to support bars, to ladders and more, there’s something for every age group and every developmental level! Whether your little guy needs close assistance or your little girl is totally independent. All of these indoor swing selections and attachments are perfect for strengthening muscle & building hand to eye coordination while your child is having many hours of fun.