Description:201 Stainless Steel: The extension arm is made from 304 stainless steel, sturdy and durable, resistant to rust and corrosion, ensuring long-lasting in bathroomsFunctional Advantage: Used for connecting and extending shower arm, and connects seamlessly with most standard shower heads and armsInstallation Steps: Turn off the water supply, detach the existing shower arm, apply the sealing tape to the threads, attach the extension arm, tighten it with a wrench, reattach the showerhead, test for leaks, and adjust as necessaryVersatile Use: Great for use in bathrooms where a standard shower head needs to be adjusted for better positioning, or for those who wish to install a new shower head at a different heightNote: Please measure the size before purchasing. Due to manual measurement, please allow a 1-5mm error.