$2 DIY rivnut tool vs $200 pneumatic AND review of Astro PRN1 - YouTube
Astro Pneumatic Tool Co. PRN1-02, Astro Pneumatic Tool Co. Tool Part, Nose Nut For Use w/PRN1 Tool - Astro Pneumatic Tool Co. Tool Parts from Bay Supply
Astro Pneumatic Tool Co. PRN1-01H, Astro Pneumatic Tool Co. Tool Part, Nosepiece 3/8 For Use w/PRN1 Tool - Astro Pneumatic Tool Co. Tool Parts from Bay Supply
Astro Pneumatic, PRN1, 3/8" Capacity Pneumatic Rivet Nut Setting Kit - Metric & SAE Includes: 8 mandrels / nose pieces in the following sizes: M4, M5, M6, M8, M10, 1/4", 5/16", 3/8"