Excellent Design: Do you have a larger hole where your shower arm is located? Do you want to cover up this ugly hole? If so. Ancable 3.5" large diameter flange is designed for this and is perfect for covering gaps. holes and damage in walls. Ideal for G1/2" standard shower pipes. Top Material: Shower arm flange escutcheon plate is made of high quality stainless steel. not easy to rust and durable. A durable rubber spacer in the center guarantees a perfect fit. allowing you to use it comfortably for long periods of time. Easy to Install: Just remove the shower head and slide the new flange onto the wall. the additional attached small gasket on it made it fit snuggly against the pipe and keep water out. No tools required. installation takes just a few minutes. Perfect Accessory: With this shower arm flange. save yourself time and money when remodeling your shower without having to go to the big store to find the right size. The chrome finish looks beautiful and pairs beautifully with other chrome accessories to match the modern style of your bathroom. 100% Guarantee: All Ancable products come with our 100% No Questions Asked Guarantee. We care about only putting out high-quality products that satisfy your needs. If you have any questions. please contact us.