This holesaw set covers a diameter range of 25mm to 64mm, providing versatility to tackle various hole sizes commonly needed in woodworking, construction, plumbing, and other applications., Supercraft Holesaw set is suitable for a wide range of materials, including wood, plastic, plasterboard, and some metals., Holesaws are designed to fit most standard arbors and drill machines, ensuring compatibility and easy installation for efficient hole cutting.