This carbon steel hole puncher is designed for fast square cutouts in electrical boxes and delivers precise 86 switch-socket installations with professional durability. With a lightweight frame and universal compatibility with the major switch-plate sizes, the tool combines portability with rugged construction for smooth walls and drywall. Its ergonomic handle and intuitive alignment systems let first-time users achieve shop-quality results without special training. Essential for electricians, renovators, and plumbers who need quick hole creation during wiring or outlet replacement. Use scenarios: - New outlet installation in drywall: quickly punch clean, square openings for switches and outlets. - Renovation projects: replace outdated outlets with precise square cutouts to fit standard plates. - Kitchen or bathroom remodels: punch multiple openings for added outlets or switches with consistent dimensions.