uxcell Metal Kitchen Pressure Cooker Cooking Safety Valve 5Pcs Silver Tone Product Name: Pressure Cooker Safety Valve; Package Content: 5 x Pressure Cooker Safety Valve Material: Metal; Color: Silver Tone Total Size: 16 x 21mm/0.63" x 0.83"(Max.D*H) Net Weight: 19g Fit for Hole Diameter (Approx): 3mm/0.12"