The KEYSERT-HD(36) 9/16-18 ID from Field Tool Supply is designed for heavy-duty thread repair applications. This insert features a 9/16-18 thread size, making it ideal for various industrial and automotive settings. Constructed from high-quality materials, it ensures long-lasting performance and resistance to wear. The insert meets industry standards for quality and reliability, providing a secure fit in different substrates. Each package includes multiple inserts, making it a practical choice for efficient repairs and installations.