Features: Engineered with high strength steel, this Square Hole Punch Tool delivers rapid depth cutting for 86 type junction box, boosting efficiency with superior wear resistance in demanding electrical installations. Feature a precisions alignment guide system and rectangualr socket design, the hole cutter ensures accurate positioning during drywalls/wood applications while resisting slippage or misalignment. Professional electricians, contractors, and DIYer enthusiasts will appreciate its ergonomic square shank compatibility with standard hammer drill for prolonged use without fatigue. Ideal for creating clean cutting openings in drywalls during residential rewiring, commercial electrical upgrades, or renovations projects requiring multiple box installations. The hardened alloys steel construction outperforms conventional tool with long lifespans, making it great for repetitive tasks in electrical box cut out and socket preparations. Specifications: Component: 45# steel Color: As pictures shown. Size: 8.5x14.50cm/3.35x5.71in Package Includes: 1pc Hole Cutter note: Please allow 1-3cm 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 color the item.