3/8" Rotary Spot Weld Sheet Metal Hole Cutter Punch Remover Panel Separator for Power Drill Welding Autobody Body Work Tool Laser Tack Removal 2-SIDED LONG LIFE 5/16" ROTARY BLADE 3" LONG X 9/32" WIDE 6 POINT ARBOR REMOVES SPOT WELDS ON SHEET METAL CUTS AROUND SPOT WELDS, FREEING THE PANEL WITHOUT DAMAGE SPRING LOADED PILOT "POPS" SLUGS OUT