The double-sided blade is made of Metal with thick heat resistance, which is a perfect tool for removing spot-welded panels or metal plates. It will not distort the metal or damage the underlying panel, and reduce the need to pry and the weld.<br> The 3/8-inch cutting spot welding remover is suitable for most 1/4-inch drills, and the spindle with plane can remove the rotation in the chuck.<br> Provide accurate cutting function around the spot solder joint, and quickly cut clean and burr-free round holes.<br> Suitable for iron, cast iron, alloy steel, carbon steel, die steel, die grinder, vehicle repair, drilling, body renovation and so on.<br> Fix the solder joint with the nail in front and press it down (there is a spring device at the back of the nail that can expand and contract); When the touches the solder joint surface, the solder joint can be removed by rotating with the electric tool.<br> Name: Solder joint removal drill set<br> Quantity: 13pcs/set<br> Colour:silver+black<br> Material:Metal<br> Package Contents:<br> 1 x Solder joint removal drill set<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.