Stainless steel construction, sturdy and durable. Chrome-plated surface, high gloss, corrosion resistance, smooth and delicate feel. International universal G1/2 \" British standard thread, quick and convenient installation, no need to call a plumber, installation is complete in 1 minute. Thick stainless steel pipe, ergonomic design is very modern, not easy to loosen. Can be installed independently on the bathroom ceiling. Specifications: Condition: 100% Brand New Material: Stainless Steel Color: As shown in pictures Surface Technology: Chrome Plating Function: Supports the top spray and supplies water to the top spray Working Temperature: 0°C - 100°C Working Pressure: 0-0.8Mpa Diameter: Approx. 22 mm/0.86 inch Size: Approx. 15 cm/5.90 inch Weight: Approx. 173 g Package List: 1 * Shower Arm 1 * Decorative Cover Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.