Use high grade ceramic for great durability and cracks resistance, these wire nut are great for high temperature applicatios up to 1000°F. Designed for environments over 200°F, these wire caps withstand extreme temperatures up to 1000°F, perfect for ceiling , heaters, and appliances. Small size (0.52cm top diameter, 1.45cm height) ensures easy handling and installation, suited with various wiring needs for efficient repairs. Tapered thread design provides fast and secure connection, offering a hassle freely for professional and craft enthusiasts. Includes 100 ceramic wire nut for long time use, featuring reusability to reduce frequent replacements and save costs.