Essential plumbing hardware set for pros or DIY - pays for itself saving one trip to hardware store! * 18 different sizes in 3 materials - rubber, fiber and klingerit gasket to stop leaks & seal fittings * Includes configurations commonly used in faucets, valves, plugs, pipe & fitting connections * Organized by size & material in see-through storage case with application/use listing * An outstanding value - 141 washers for the price of half-dozen at hardware store