KES BRASS Shower Arm with Flange 13.8-Inch Reach Bathroom Showering System Replacement Part Updated Threads NPT 1/2, Polished Chrome, PSAUS12 S Shaped shower arm with flange, specifically designed for use with rain shower heads, 1/2" NPT Male Thread connects to the wall. UPDATED I/2'' NPT Tapered Threads: Wall mount threads have been updated to 1/2 NPT tapered threads now. Standard U.S. connection size, ensuring easy and fast installation. QUALITY: Made of solid brass, industry leading quality finish, build to resist corrosion, scratches and tarnishing. Size: 13" (Length) x 11.5" (Height). Will add at least 7" to the heigth of your current shower head. If you have any problems, please contact us for free replacement or refund. Satisfaction guaranteed!