Designed for socket installations: this hole cutter is specifically engineered for 86 type and 118 type socket installations, making it an essential tool for electricians and DIY enthusiasts alike. Enhanced efficiency: as a dedicated groove tool, it streamlines installations and repairs, allowing you to work faster and more effectively. Compatibility with sizes: it accommodates mainstream switch and socket sizes, providing versatility across various projects. Power tool compatibility: designed to be used with electric tools, this product saves time and effort compared to traditional manual chiseling methods. Use scenarios: Ideal for construction or renovations to install 86/118 sockets in walls, ensuring clean and precise openings. Useful for upgrading or replacing outlets in homes or offices, enabling faster cutouts with power tools. Applicable to projects requiring standard switch and socket sizes, helping maintain consistency across multiple locations.