7-piece socket set: includes 14 mm, 16 mm, 18 mm, 21 mm, 9/16, 13/16, and 3/4 sockets for a versatile toolkit. Magnetic retention design: each socket features a magnetic grip to securely hold fasteners during installation and removal, reducing the risk of dropping parts. Durable steel construction: built to withstand high torque and demanding conditions for reliable performance. Compact storage case: comes in a practical case that keeps every piece organized for easy transport and quick access when needed. Key benefits: broad compatibility with common metric and imperial sizes, suitable for automotive, mechanical, and home improvement tasks. Use scenarios: - Automotive maintenance such as lug nut service or brake work on cars and light trucks. - Bicycle or motorcycle repair and maintenance, including pedal and axle nut work. - General home workshop tasks like assembling furniture or repairing lawn equipment.