- Durable Aluminum Alloy Construction : Crafted from high-quality aluminum alloy, this hole opener tool boasts exceptional strength, wear resistance, and longevity, making it suitable for a variety of working environments. - Versatile Adjustable Range : This adjustable hole cutter accommodates a punching range of 1.85 inches (45-130 mm), enabling you to cut holes of various diameters with a single tool, significantly enhancing work efficiency. - Efficient Chips Collection : Designed to collect chips and debris during ceiling drilling, this tool features increased hardness and toughness for improved cutting strength and superior wear resistance, keeping your workspace clean. - Precision Cutting Performance : The 3-flute design allows for easy cutting through drywall and softwood, with straight serrations that ensure clean and smooth cuts without burrs. Use Scenarios : 1. Home Improvement Projects : Ideal for contractors and DIY enthusiasts when installing lighting fixtures or plumbing in ceilings. 2. Cabinet and Furniture Making : Perfect for achieving precise holes in wood materials, essential for assembling cabinets and furniture. 3. Electrical Installations : Efficiently cut through drywall for electrical and plumbing installations, allowing for hassle-free access to concealed pathways.