The Mac Tools 6524DIA SAE Hexagonal Die is a high-quality standard die designed for use in vehicle maintenance and repair. Made by the reputable brand MAC, this die features a 3/8″-16 NC thread size and a 1″ shank for secure and precise fitting. Manufactured in China, this single item is perfect for automotive professionals looking for durable and reliable threading tools. Ideal for creating and repairing SAE threads, this die is a valuable addition to any garage or workshop.