Structural Pipe Fitting, Brand and Series Hollaender Speed-Rail (R), Finish Mill, Fitting Type Plastic Plug, Inside Dia. 1.335 in, Material Aluminum, Modular Component End Cap, Nominal Pipe Size 1 in, Rated for Fall Prevention No, Series Speed-Rail (R), Standards ASTM B179 535, Tensile Strength 32510 lb, Weight 0.05 lb