Schedule 40. 21′ lengths. Threaded both ends. Coupling provided on 1 end. Import. No. 563-2520HCC: Size: 1/2″ x 21′, Schedule: Schedule 40, Inside Diameter.622″, Outside Diameter.840″, Wall Thickness.109″, Weight Per Sq Ft.85 lb, Material: Carbon Steel, Temperature Rating: 366 F, Connection Type: Male threaded No. 564-2520HCC: Size: 3/4″ x 21′, Schedule: Schedule 40, Inside Diameter.824″, Outside Diameter: 1.050″, Wall Thickness.113″, Weight Per Sq Ft: 1.13 lb, Material: Carbon Steel, Temperature Rating: 366 F, Connection Type: Male threaded No. 565-2520HCC: Size: 1″ x 21′, Schedule: Schedule 40, Inside Diameter: 1.049″, Outside Diameter: 1.315″, Wall Thickness.133″, Weight Per Sq Ft: 1.68 lb, Material: Carbon Steel, Temperature Rating: 366 F, Connection Type: Male threaded No. 566-2520HCC: Size: 1-1/4″ x 21′, Schedule: Schedule 40, Inside Diameter: 1.380″, Outside Diameter: 1.660″, Wall Thickness.140″, Weight Per Sq Ft: 2.27 lb, Material: Carbon Steel, Temperature Rating: 366 F, Connection Type: Male threaded No. 567-2520HCC: Size: 1-1/2″ x 21′, Schedule: Schedule 40, Inside Diameter: 1.610″, Outside Diameter: 1.900″, Wall Thickness.145″, Weight Per Sq Ft: 2.72 lb, Material: Carbon Steel, Temperature Rating: 366 F, Connection Type: Male threaded No. 568-2520HCC: Size: 2″ x 21′, Schedule: Schedule 40, Inside Diameter: 2.067″, Outside Diameter: 2.375″, Wall Thickness.154″, Weight Per Sq Ft: 3.65 lb, Material: Carbon Steel, Temperature Rating: 366 F, Connection Type: Male threaded