Features: Engineered for efficiency, this high strength square hole cutter enables quick and precise electrical box installations, saving valuable time during wall switches /outlet box projects. Featuring a reinforced square shanks and strong high strength steel construction, the tool ensures stable grip and consistent cutting accuracy for 86 type junctions boxes. Ideal for professional electricians and DIY enthusiasts search reliable electrical box installation tool for home renovations or commercial wiring tasks. Perfect for creating clean socket slots in drywall during switches box installations, outlet upgrades, or electrical system maintenance in residential/commercial space. The ergonomic design reduces hand fatigue during extended use while maintaining compatibility with standard 86 type junctions boxes for multifunction electrical applications. Specifications: Component: Aluminum Size: 85x185mm/3.4x7.3inch Styles: easy carry hole puncher/86 junctions box(optional) Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Package includes: 1xSquare Hole Punch Or 1x86 junctions Box