ESSENTIAL TOOLKIT This 7piece spark plug socket set includes sizes 14mm, 16mm, 18mm, 21mm, 9/16, 13/16, and 3/4 to cover a wide range of automotive spark plugs. MAGNETIC DESIGN Each socket incorporates a magnetic feature to hold the spark plug securely during removal or installation, reducing the risk of dropping or losing parts. RELIABLE PERFORMANCE Built from strong materials to withstand rigorous use and torque applications, providing dependable service in demanding conditions. ORGANIZED STORAGE CASE A compact case keeps the sockets neatly organized and readily accessible for any job at hand. USE SCENARIOS Replacing spark plugs on typical passenger cars and light trucks using the included sizes. Working in tight engine bays where the magnetic hold helps secure plugs and prevents drops. torque removal and installation tasks during routine maintenance or tuneups.