Comprehensive 10-piece hex socket set with sizes from M5 to M19, designed to cover a wide range of automotive and mechanical fasteners. Premium material: made from high-quality steel for exceptional durability, wear resistance, and corrosion resistance, providing a longer service life. Precise fit: each socket is engineered for use with both pneumatic and electric screwdrivers, delivering secure engagement on fasteners to apply torque effectively without slipping and to improve work efficiency. Effortless handling: smooth surface finish and thoughtfully designed retention rings and pins enable easy handling, reduce user effort, and boost overall task efficiency. Practical applications: - Automotive repairs and maintenance, including engine, suspension, and brake fasteners. - Machinery and equipment upkeep, such as generators and lawn care tools. - DIY projects and bike maintenance, furniture assembly, and other metric fastener tasks.