High quality material. Outstanding performance. Well organized. After use, easy to store together for the next time you use. Suitable for normal wood, thin PVC board, plastic. Hole Saw Set are made of high strength carbon steel, and nickel-plated with a diamond dust coating offers superior performance and cutting strength, sturdy and durable, for long-term application. 8 different sizes: Includes the following diameters, 3/4" - 19mm, 7/8"- 22mm, 1 1/8"-29mm, 1 1/4"- 32mm, 1 1/2"-38mm, 1 1/3"- 44mm, 2"- 51mm, 2 1/2"- 64mm. Covers most popular hole saw sizes on the market, Different sizes meet your different needs, cutting depth 25 mm. Includes Hex Key and 2 center drill, make the corresponding operation is convenient. The special gear design makes the hole more accurate, and high speed steel teeth for fast and clean cuts. High precision, smooth cutting edges, especially impact resistance, wear resistance! Suitable for normal wood, thin PVC board, plastic. It has been well organized in a convenient plastic storage case helping you easy carry out for work. After use, easy to store together for the next time you use. Brand No Brand SKU 101060340_NP-1021604071