Specification: Maretial: Carbon Steel Size: 140*87*87mm/5.51*3.43 *3.43inch Product Usage: Suitable for mainstream switch and socket sizes such as 86 and 118, essential for DIY water, electricity, and home decoration. Say goodbye to the trouble of manual drilling! Description Rectangle Slot Cut: Engineered to create perfect square holes, this tool ensures precise and clean cutouts for electrical boxes, minimizing the need for further adjustments. Premium Carbon Steel Construction: Square hole cut built with carbon steel, this creative square hole cut for electrical box ensures long-lasting performance. Easy Power Drill Compatibility: Fast wall square hole puncher fits easily into most standard power drills, offering a hassle-free setup and smooth operation for both professionals and DIY enthusiasts. Multipurpose Cutting Tool: Works efficiently on various materials like drywall and wood, making it an essential tool for electrical box installations in new construction, renovations, or retrofitting projects. Package 1PC 86 Type Square Hole Cut