• 10 mm split nut will work on Ford 6.9L and 7.3L diesels GM 5.7L 6.2L and 6.5L diesels and various diesels in import vehicles
• 12 mm split nut works on various diesels in import vehicles plus many agricultural and construction diesel applications
• Includes 10 mm and 12 mm slip nuts three spacers 3/16 1/4 and 5/16 In
• Plastic storage case and instruction manual included