The Clip-on net & post set is constructed of heavy duty steel post and durable netting. The post has rubber padding to protect the table top and insure a tight fit when attached. The clip on Net & Post is Killerspin's easiest net and post set to assemble. It is also extremely durable and can easily be adjusted. Fits most standard Table Tennis Tables up to a table with of 1-5/8". $29.95