HIGH-STRENGTH CONSTRUCTION: Crafted from premium steel, it ensures clean, accurate cuts every timefor durability and . ERGONOMIC DESIGN: Its ergonomic design provides a comfortable grip, reducing hand fatigue during extended use. ENGINEERING: High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth, engage, appearance.Ensures accurate square holes for 86-type junction boxes. HIGH-STRENGTH SDS PLUS SQUARE HOLE PUNCH FOR 86-TYPE JUNCTION BOXES: Ideal for both professional and DIY electrical installations, square hole cutter for electrical box, this tool streamlines your workflow, making it an indispensable addition to your toolkit. EASY TO USE: The square hole cutter for electrical box suitable for drilling walls, stones, bricks or installation of air-conditioning etc, Oil Fume Exhauster and Sewer Pipeline Hole Open ., Weight: 1.16183612074 pounds, Manufacturer: Hipzeepo