Material: The cutting head is made of high-quality carbide, which offers superior wear resistance and impact resistance. Application: Widely used for drilling holes in various hard surfaces such as brick walls, concrete walls, cement boards, and stone. It is an ideal tool for electricians and decorators. Easy to Use: The tool has a robust structure, is heat-resistant and does not easily deform, and has a high rate of reusability. It is simple to operate and can be easily used without professional skills. Precise Cutting: Designed specifically for creating perfect square holes, it ensures accurate and clean cuts for electrical boxes. The standard size makes it easy to install electrical devices such as wire boxes, sockets, and switches. Efficient Grooving: It can be easily installed in most standard electric drills to quickly create standard square holes in hard materials like brick, concrete, and cement boards, significantly improving construction efficiency., Manufacturer: LuLobtg