The Adjustable Backstop is available in a standard (3.5 inch) and heavy duty (4.5 inch) post system. The extension locks to the galvanized steel pipe anywhere between 0 and 10 feet with 2 set screws. This comes complete with pole, adjustable extension, backboard, official goal, and nylon net. The 3.5 inch post comes with a 3 foot long extension. The 4.5 inch post system comes with a 4 foot long extension.