Built to last: Made from high-strength alloy, this adjustable metal hole opener delivers long-term durability and resists wear during repeated drilling. Precise, adjustable cutting: Easily set the cut diameter with the built-in adjustable scale to achieve consistent, accurate holes every time without guesswork. Versatile performance: Designed for efficient hole cutting in wood, plywood, drywall and board materials, making it suitable for a wide range of jobs. Easy to use: The clear adjustment scale and robust construction let you make fast, clean holes while maintaining control and repeatability on each cut. What it solves: Eliminates uneven or oversized holes, reduces material tear-out, and saves time compared with improvised cutting methods. Key attributes at a glance: Material: high-strength alloy / metal construction Function: adjustable hole opener / punch cutter for drilling holes Compatibility: wood, plywood, drywall, and various board materials Performance: precision adjustment and durable cutting action Use scenarios: Install recessed lights or speakers by cutting clean, accurately sized openings in drywall or plywood. Run cables or pipes through interior walls and panels with precise holes that minimize damage to surrounding material. Create openings for fixtures or hardware in cabinetry and furniture work where consistent hole size is required. Reliable choice for tradespeople and DIYers who need a durable, adjustable tool for accurate hole cutting across common building materials.