Product Description Specifications Multi-Use Conical Stopper: Color: Rusty; Major Dia: 0.358 IN, 9 mm; Minor Dia: 0.177 IN, 5 mm; Fits: M10; Length: 0.790 IN, 20.0 mm; Box Qty: 1000 Max Temperature: 600° Major Diameter: 0.358 inch Metric Major Diameter: 9 mm Minor Diameter: 0.177 inch Metric Minor Diameter: 5 mm Metric Thread: M10 Material: Silicone Color: Rusty