LASCO 02-2241 Rubber 1/2-Inch Thread-On Sink Supply Cone Washer The product is #164 1/2" Cone Washer Easy and simple use kit The product is manufactured in China Includes (4) rubber cone washers with threaded style Intended for use with old style corrugated and smooth metal supply lines Commonly used for connecting metal flex piping to faucets or toilets Accommodates and fits most corrugated faucet lines Threaded style cone washer installs easily