Perfect for enthusiasts, engineers, and woodworking projects Craft with high strength alloy, this hole opener cutter is builts to last the durability and versatility of our metal adjustable punching cutter Easily adjust the cutting diameter for precise and efficient hole drilling in wood, plywood,, and more The adjustable scale allows for precise adjustments, ensuring accurate drilling every time Suitable for gypsum board, plywood, and board, Manufacturer: Kaeltsyn