General description Made of high-quality silicone material, these tapered plugs do not crack, shrink, harden, or break. They are non-toxic, harmless, and reusable, making them ideal for various applications. The plugs can withstand temperatures up to 600 degrees Fahrenheit (315 degrees Celsius) and are perfect for masking off holes during powder coating, painting, plating, and sandblasting. Technical specifications Material: Silicone Temperature resistance: Up to 600°F (315°C) Sizes included: 5pcs red 20x17mm, 5pcs blue 17x13mm, 5pcs blue 14x9.5mm, 10pcs blue 12x8.7mm, 10pcs yellow 9.5x6.5mm, 15pcs red 8.7x4.7mm, 20pcs black 6.5x3mm, 35pcs rose red 4.7x1.6mm Total pieces: 105 Usage Widely used in construction, electronics, automobiles, machine workshops, laboratories, etc. Ideal for hole coverage during powder coating, painting, plating, and sandblasting. Other information