3pc  Double Sided 3/8" Rotary Spot Weld Cutter Remover Drill Bits with 4 Replacement Double sided spot weld cutting blades 
Use this spot weld cutter drill bit to easily separate spot-welded panels without distorting the sheet metal. The weld cutter’s double sided rotary cutter blade separates spot-welded panels more effectively than a panel cutter.
Double sided 3/8 in. rotary blade
Fits most 1/4 in. drills
Provides better panel separations than a panel cutter
Package Contents:
1 Shafts+ 3 Double sided spot weld cutting blades