Black redi- pipe. Threaded both ends. Thread protector both ends of pipe. Not coupled. Redi- pipe is available on direct orders in galvanized and black, 3/8" to 2" I.P.S. size lengths of 18" to 60" in 6" increments. Import. Size: 1/2 In. x 30 In. Material: Carbon Steel Connection Type: Threaded Schedule: Schedule 40 Inside Diameter: 0.622 In. Outside Diameter: 0.840 In. Wall Thickness: 0.133 In. Weight Per Sq Ft: 0.8 Lb. Temperature Rating: 366 F