Features Versatile Cutting Capability: Ideal for circular incisions in wood, plastic, acrylic, and more, making it perfect for various DIY projects and professional woodworking tasks Effortless Adjustability: The diameter of this adjustable hole cutter can be modified continuously without the need for additional tools, ensuring ease of use and flexibility High-Quality Blades Included: Comes with 2 HM knives designed for hardwoods like oak and beech, ensuring superior cutting performance across a range of materials Precision Cutting Design: Features 35-degree extreme tooth shaped teeth that guarantee clean and fine cuts, minimizing tearing and enhancing overall finish quality Compatible Blade Options: Depending on your project, switch between sharp polished HSS knives for softer materials and durable HM carbide knives for harder woods and plastics Features: 1、Suitable for circular incisions of wood, plastic, acrylic, gypsum board, aerated concrete, etc. 2、The tool is packed in a practical transport box and is a substitute for hole saws. The diameter of the hole cutter can be adjusted continuously without tools 3、The contents of the box include 2 knives equipped with HM, suitable for hardwood, such as oak, beech or wooden materials, such as plywood, particle board, plastic, acrylic, s, etc. 4、Compared with other products, the circular cutters are arranged alternately with 35 degree extreme tooth shaped teeth, which can ensure very fine cutting results, partly or completely of tears 5、Depending on the application, of sharpn polished HSS knives (gypsum board, cork) or HM carbide knives (hard and plywood, MDF, acrylic, OSB, L) can be used Specification: Item Type: Adjustable Circle Hole Cutter Maximum Cutting Depth: Approx. 30mm / 1.2in on one side (starting from both sides of the workpiece, so the maximum is approx. 60mm / 2.4in) Shaft Width: Approx. 9.5mm / 0.4in, suitable for vertical drills and hand drills Package List: 1 x Adjustable Circle Hole Cutter 1 x Hex Wrench 2 x Cutter Head Package List 1 x Adjustable Circle Hole Cutter 1 x Hex Wrench 2 x Cutter Head