Build a new railing system without welding with these easy-to-install KEE KLAMP kits. A hex key is all you need to assemble and tighten the large screws that secure units together. Safety yellow powder coat pipe has a 1.9" overall dia. and fittings are constructed from galvanized steel. Rails may cut if a shorter piece is needed. Ideal for use as protective barriers. Comply with OSHA and BOCA standards. Made in USA.