Description: Adjustable Hole Saws: This multifunctional Adjustable Hole Saws is designed for a variety of materials including wood, plastic, plywood, plasterboard, and aluminum plastic board. It's an essential tool for any DIY enthusiast or professional carpenter.Material: Made from alloy with tungsten steel heat treat, this Round Hole Opener Tool features sharp and wear resistant edges for quick and efficient drilling.Function: The cutter disc scale is made using a stamping process to assure clear and accurate readings that are resistant to wear. The distance from the blade to the center can be easily adjusted by loosening the screw.Design: The blade head and center drill maintain vertical alignment with the cutter disc for stable positioning without deviation, ensuring quick and accurate hole cutting.Non Slip: The Adjustable Hole Saws features a triangular handle design to prevent slipping during drilling process. Specification: Dia:14.6cm/5.75inchCutting Diameter: 2.5cm-13cm/0.98inch-5.12inchCutting Thickness: 3cm/1.18inchSuitable for Drills with clamping capacity greater than 1cm/0.39inch Package Includes: 1 Adjustable Hole Saws1 Center Drill6 Drills