5-Piece HSS Precision Quick Hole Opener Set, Safer Aluminum Drill Bit Set for Rubber and Plastic Openings, Hole Opener Drill Bit Kit for Saw Set

1. Carbide teeth are used to quickly cut clean, round holes. Suitable for handheld electric drills, vertical electric drills, and magnetic belt drills. 2. Drills holes in stainless steel plates, high-alloy steel, iron, aluminum, castings, plastics, glass-like steel, etc. 3. Precision grinding design, gears and guide drill bit, more accurate, smoother, faster and safer, leaving a cutting effect. 4. The hole saw set includes 5 different sizes of hole saws, which can be used to make various holes. 5. Each hole saw is individually packaged in a plastic box, and each box is marked with a size for easy use. Specifications: Item Type: Hole Opener Material: HSS (High Speed ​​Steel) 5-Hole Saw: (Cutting Diameter: Approx. 30 mm / 1.2 inch, Approx. 25 mm / 1 inch, Approx. 20 mm / 0.8 inch, Approx. 18.5 mm / 0.7 inch, Approx. 16 mm / 0.6 inch) Purpose: Mid-range Patek hole saw is used to open holes in rubber, plastic, thin sheet iron, PVC, etc. Package list: 5 x hole openers, 5 x wrenches, 5 x plastic boxes. Note: Please allow a 0-2 cm error due to manual measurement. Thank you for your understanding.