SODIAL(R) Metal Plastic Replacement Valve for Pressure Cooker Product Name : Relief Valve;Material : Metal, Plastic Color : Black,SilverTone;External Size (Approx) : 1.5" (H) x 1.0" (D) Internal Hole Diameter (Approx) : 0.4" Weight : 67g Package : 1 x Pressure Cooker Relief Valve