The ST824A Clamp is a narrow angled half coupler with a tapered fitting that allows seamless integration to any standard Cosmic Truss string, whether square, triangle, ladder truss, or the F31 single string system. The ST824A fits all standard pipes with a diameter of 2 inches (48-51mm) and has a tensile load capacity of 440 lbs. (200kg)..PIECE MORE SPECS