Tubing is 18 gauge, 1-1/4′′O.D. with a satin finish. Choose specified length.
Rod is installed in straight section between two (2) mounting flanges. Rods longer than 72′′ (1829mm) require ceiling hanger Model No 1204-C.
For use with standard shower curtain model No ’s 1200 or 1200-V having 72′′ (1829mm) length and standard hooks Model No 1200-SHU unit should be installed with rod centerline 74-1/2′′ (1892mm) AFF or 67′′ (1702mm) above tub rim to obtain 6′′ (152mm) bottom overlap.
Measurement Diagram:

Architectural Specification:
Extra-Heavy-Duty Shower Curtain Rod with flanges shall be fabricated of alloy 18-8 stainless steel, type 304. Tubing shall be 18 gauge, 1-1/4′′O.D. with a satin finish and shall be protected during shipment with a plastic bag. Length shall be as specified. Flanges shall be fabricated of 20ga. stainless steel with a satin finish. Flanges shall have (3) countersunk 13/64" (5.2mm) dia. holes to accept #10 flat or oval head screws furnished by others.