Standard Pack = 1 piece(s). Case Type=Vinyl Pouch; For Use With=External Threads on Bolts and Studs; Type=Restoring File Set; Number of Pieces=3; Repair Range=9, 10, 12, 16, 20, 27, 28, 32 & .75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00mm;