Features and Benefits:For removal and installation of Spark Plugs, Glow Plugs & Pressure Sensor Glow (PSG) Plugs. Included sizes: 8mm x 6-point, 9mm x 6-point, 10mm x 6-point, 12mm x 6-point, 14mm x 12-point & 16mm x 6-point. The 6-point hex sockets include a rubber O-ring to prevent spark/glow plug from falling out. The 14mm x 12-point socket includes a magnetic ring. Each socket is equipped with 15-20° swivel range for access in tight fitting applications. Also included are 5 plug protectors for sensitive PSG plugs.;For removal and installation of Spark Plugs, Glow Plugs & Pressure Sensor Glow (PSG) Plugs. Included sizes: 8mm x 6-point, 9mm x 6-point, 10mm x 6-point, 12mm x 6-point, 14mm x 12-point & 16mm x 6-point. The 6-point hex sockets include a rubber O-ring to prevent spark/glow plug from falling out. The 14mm x 12-point socket includes a magnetic ring. Each socket is equipped with 15-20° swivel range for access in tight fitting applications. Also included are 5 plug protectors for sensitive PSG plugs.