Introducing the 16 in. Professional Rivet Nut Tool Kit. This lever - style rivnut tool comes with a visual stroke indicator. It features a design that allows you to swap mandrels and nose pieces in seconds without extra tools, which is a great time - saver on job sites or in your garage. The tool is forged from heat - treated carbon steel with a corrosion - resistant black phosphating finish. Its reinforced U - shaped arm won't bend under heavy loads, ensuring reliable performance over the years. The kit includes 15 metric and SAE mandrels (Metric: M3, M4, M5, M6, M8, M10, M12, SAE: #6 - 32, #8 - 32, #10 - 32, #10 - 24, 1/4 in. - 20, 5/16 in. - 18, 3/8 in. - 16, 1/2 in. - 13) and 170 rivet nuts. All components are neatly stored in a rugged, compact carrying case, making it ideal for contractors and mobile technicians. With dimensions of 17.99 x 8.74 x 3.78 in. and a weight of 8 lbs., it's a practical and efficient tool for your projects.