About This Quality Material: The magnetic spark plug socket is made of high-performance chrome vanadium steel with manganese phosphate black finish surface.The manganese phosphate black coating not only prevents rust and corrosion but also makes the tool easy to clean, helping ensure durability and reliable performance during long-term use 360 Degree Rotation: The universal joint design allows the 5/8" spark plug socket to rotate 360 degrees freely, easy to cope with a variety of narrow space, flexible operation without obstacles, become your indispensable right-hand man when repairing your car Easy to Use: The swivel head tightly integrates with the ratchet wrench, while the top fixing design helps prevent the spark plug tool from slipping or getting lost during installation.The spark plug wrench features a 12-point design to enhance and knurled grip to enhance control and reduce hand fatigue Wide Compatibility: This spark plug tool features a thin-wall design compatible with Nissan engines and various MINI models (such as R55, R56, R57, R60), and also suitable for several BMW models, including 1 Series (E81/E87-N43B), 3 Series (E90-N43B) and 5 Series (E60-N43B), which can meet the needs of most models Built-in Magnetic Ring: The 16mm magnetic swivel socket uses a 3/8" drive and 3.8 inch total length. Spark plug sockets include a 10mm deep magnetic ring to hold spark plugs securely, helping prevent slipping while allowing safe and controlled operation Overview Brand : ecocstm Thread Size : 16mm Top Material Type : Manganese phosphate black Vehicle Service Type : Car Number of Packs : 1