33pc 3/8 inch Drive Socket and Accessory Set Regular Sockets 8. 9. 10. 11. 12. 13. 14. 15 16. 17. 18. 19. 20. 21. 22. 24mm Deep Sockets 10. 11. 12. 13. 14. 15. 16. 17. 18. 19mm 2 Spark Plug Sockets - 16 . 21mm 1 Extendible Ratchet - 3/8 inch Drive 1 Power Handle - 3/8 inch Drive 1 Universal Joint - 3/8 inch Drive 2 Extension Bars - 75mm and 150mm Sizes. 8 - 24mm with 16 and 21mm Plug Spanners