NEU MASTER Rivet Nut Tool, 16” Versatile Rivnut Tool Kit with 13 Metric & SAE Mandrels, 192Pcs Rivnuts, Hand Nutsert Rivet Tool Threaded Insert Riveter Set with Rugged Carry Case

Step 1 Open the rivet tool handles completely, thread the rivet nut on the mandrel Step 2 Insert the rivet nut into the hole Step 3 Close the rivet tool handles to deform the rivet nut Step 4 Open the handles and turn the knob clockwise, repeat step 3 & 4 to ensure that the nut is fully tightened.