Features: _x000D_ Professional design, provides better panel separations than a panel cutter. _x000D_ Easily separate spot-welded panels without distorting the sheet metal. _x000D_ Separate spot-welded sheet metal, panel, etc and cut small access holes. _x000D_ High strength and hardness, durable in use. _x000D_ Double sided 3/8 inch rotary cutter and hex Shank fit most drills. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Material: Metal _x000D_ Color: Shown as picture _x000D_ _x000D_ How to Use: _x000D_ 1. Fix the welding spot with the nail in the front, then press down(The back of the nail has a spring device that can stretch). _x000D_ 2. When the saw tooth tooth touches the welding surface, the solder joint can be removed by matching the electric rotary tool. _x000D_ _x000D_ Package list: _x000D_ 1 x Spot Weld Drill _x000D_ 10 x Double Sided Cutters _x000D_ 2 x Pilot Pins 1Professional design, provides better panel separations than a panel cutter. 2Easily separate spot-welded panels without distorting the sheet metal. 3Separate spot-welded sheet metal, panel, etc and cut small access holes. 4High strength and hardness, durable in use. 5Double sided 3/8 inch rotary cutter and hex Shank fit most drills.