Description Chrome shower arm designed to work with 1/2″ shower head 125MM in length. Ideal for changing the angle of shower filters and shower heads. Please note: female end does not have a rubber seal, so thread tape will be required. 1/2″ bsp female to 1/2″ bsp male threads. 1/2″ Bsp = 19mm Thread Type and Size Chart BSP size (British Standard Pipe) Actual Diameter Imperial Actual Diameter Metric 1/8” BSP 0.35 inch 9 mm 1/4” BSP 1/2 inch 12 mm 3/8” BSP 6/10 inch 15 mm 1/2” BSP 3/4 inch 19 mm 3/4″ BSP 1 inch 25 mm
