191pcs Heavy Duty Blind Rivet Nut Kit Set, Riveter Tool, Rivet Nut Gun, Thread Hand Riveter, Rivet Gun Threaded Insert Tool, Riveting Tools with 185PCS Metric Rivet Nuts Assortment M3 M4 M5 M6 M8

Features

• Rivet nuts made of steel, high strength, corrosion resistance, long service life. With openings, small flanges, round holes, threaded inner walls and partial non-slip surfaces, these flat head rivet nuts have good fastening properties.