Silicone Rubber Tapered Plug is designed to protect holes or threads during a powder coating process or other projects, use for powder coating, painting, plating, anodizing, sandblasting, etc.||The tapered plug is in size of: Bottom Diameter: 2mm / 0.08"; Top Diameter: 4.2mm / 0.17"; Height: 16mm / 0.63"; In the package of: 50 x Silicone Rubber Tapered Plug||Made of silicone rubber, good resistance to chemicals, can withstand high temperature up to 600 degrees Fahrenheit (315 Celsius) in a short time.||Conical design, solid, easy to install and good sealing performance, flexible and durable, not easy to crack, shrink, harden or break.||Please check the size carefully before ordering!