Features: 1. Made with premium quality steel material, these drill hole saws are impact and wear resistant, durable to use. 2. Covers most popular hole saw sizes on the market, Different sizes meet your different needs, cutting depth 25 mm. 3. It has been well organized in a convenient storage case helping you easy carry out for work. 4. The special gear design makes the hole more accurate, and steel teeth for fast and clean cuts. 5. Suitable for normal wood, thin PVC board, plastic, etc. Specification: Condition: 100% Brand New Item Type: Hole Saw Cutter Set Material: 55# steel Hardness: HRC47-50 Cutting depth: 25MM Hole Saw Diameter: 19mm, 22mm, 25mm, 32mm, 38mm, 44mm, 54mm, 64mm Package List: 8 * Hole Saws 1 * Large Extension Rod 1 * Small Extension Rod 1 * Center Drill Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、Made with premium quality steel material, these drill hole saws are impact and wear resistant, durable to use. 2、Covers most popular hole saw sizes on the market, Different sizes meet your different needs, cutting depth 25 mm. 3、It has been well organized in a convenient storage case helping you easy carry out for work. 4、The special gear design makes the hole more accurate, and steel teeth for fast and clean cuts. 5、Suitable for normal wood, thin PVC board, plastic, etc.