Suitable for most drill, antislip handles for secure grip, and drill bit that extend tool life by compared to standard cutter Engineered with high strength steel, this square / round hole punching delivers precise and efficient cutting for 86 type junction box, reducing installation time by 50% while maintaining durability against wear The integrated centering tip ensuring alignment, making it " rectangle socket slot cutter " for flawlessly finished electrical systems in building environment Perfect for creating clean rectangular slots in wall, wood, or concrete wall during wiring upgrades, outlet installations, or requiring millimeter accuracy Ideal for electricians, construction professional and enthusiasts requiring for electrical box installations in residential or commercial projects, Manufacturer: Oxxggkao