Features. Patented structure increases power and reduces shock. Shorter handle with double compound hinges that maximize leverage. Includes Hand Nut/Thread Setting Riveter. 6 interchangeable mandrel/nosepiece sets in Metric M5, M6, and M8 and in SAE 10-24, 0.25-20, and 5/16-18. Includes 10 pieces of each of the following rivet nuts - M5, M6, M8,10-24, 0.25-20 and 5/16-18. Versatile and powerful hand nut/thread setting riveter, takes the hard work out of setting rivet nuts. Ideal for working in hard-to-reach area. Ergonomic grip for easy operation. Size - 13 in.