Features: High temperature plug made of copper core contact surface and ceramic, with an outer metal aluminum protective shell or silicone rubber protective shell. Suitable for high temperature working environments. Can operate in temperatures up to 300°C. Features a high-strength aluminum alloy shell produced using advanced manufacturing techniques. Silicone rubber shell is heat resistant up to 200°C and pressure resistant (220V - 600V). Widely used in rubber and plastic machinery, food machinery, chemical industry, cable applications, and various types of heater plugs and high-temperature power connections. Specifications: Item: 6mm Electric Heater Plug Material: Aluminum Alloy Size: Mixed Type: Red Ceramic / White Ceramic Weight: 90g Note: Due to differences in monitor displays, the picture may not reflect the actual color of the item. Thank you for understanding. Due to manual measurement, please allow a tolerance of 0–1 cm. Please ensure you are comfortable with this before purchasing. Package includes: 1 x Ceramic Electric Heater Plug