Available in 7 sizes: H12, H14, H17, H19, H21, H22, H24 Made from durable chrome molybdenum steel with a 3/4 inch square drive for reliable performance under heavy use Phosphate finish provides enhanced resistance to corrosion, ensuring long service life Each socket size is clearly engraved on the side for quick and easy identification, even in lowlight work conditions These impact sockets deliver strength and durability for professional and demanding applications. Their robust chrome molybdenum steel construction resists wear and deformation, making them ideal for use with powerful impact wrenches. The corrosionresistant phosphate finish helps maintain performance in challenging environments such as workshops, construction sites, and outdoor projects. Suitable for tasks such as: Heavy equipment maintenance where strong, precise sockets are required Automotive and truck involving large, stubborn fasteners Industrial assembly or disassembly work where reliability and accuracy are essential With a range of seven sizes, these sockets provide flexibility for various bolt and nut dimensions, reducing the need for multiple tool sets. The clear engraving ensures quick selection, helping improve efficiency and reducing downtime. Designed for professionals and serious DIY users, these impact sockets are built to perform in the toughest conditions.