Set contains: 5 - Screw tapered extractors: 1 x Ranging from M3 to M6 1 x Ranging from M6 to M8 1 x Ranging from M8 to M11 1 x Ranging from M11 to M14 1 x Ranging from M14 to M18 4 - Stud Sockets: 6mm, 8mm, 10mm and 12mm 8 - Jagged profile non slip sockets for loosening rounded of hexagon nuts: 9, 10, 11, 12, 13, 14, 16 and 19mm