Get the red/white tool with the copper-colored (metal) inserts. You can often find all plastic versions (usually shipped along with a connector), but these barely work and not for very long.
N430WB RV-7 #74152, tip-up. Working the baffles
Log at: http://rv7.wbencze.com
Defeating gravity one rivet at a time
VAF 2019 donation happily made