【Complete All-in-One Kit】This rivet nut tool kit includes a 16-inch rivnut tool with 15 mandrels (metric M3, M4, M5, M6, M8, M10, M12; SAE 6-32", 8-32", 10-32", 10-24", 1/4-20", 5/16-18", 3/8-16", 1/2-13"), 290 nuts, a multi-functional wrench, gloves, an operation manual, and 2 step...