Astro Pneumatic 1442 13" Nut/Thread Setting Hand Riveter Kit w/ 3pc Mandrel/Nosepiece & Rivet Nut Set• 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, & M8 and in SAE 10-24, 1/4-20, & 5/16-18• Includes 10 pieces of each of the following rivet nuts: M5, M6, M8,10-24, 1/4-20 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