20 taps, sizes 1/4 in.-20 thru 1 in.-12, and 20 adjustable SAE dies. Two 2 in. diameter die stock with a 1 1/2 in. adapter.Two tap wrenches and one screwdriver.SAE SetYes Metric Set NoPieces (qty.) 45Thread Size Fine, CourseDies (qty.) 20Taps (qty.) 20