About this item [Package] Contains 2 knurl thread adapters and 4 rubber washers. [Usage] Used to replace the broken part. Prevents leaking. [Dimensions] Length of 0.99”, width of 0.98”, 0.47” ID. Weighs 73g. [Quality Material] Made of steel, more durable and harder. And rubber washer seals tightly. [Installation] Easily install, removes the worn-out thread adapter part, replaces the part and washer with tool.