【High Quality Material】The Hole Saw Set is made of heat-treated carbon steel with hard alloy steel teeth and excellent durability and rust resistance. The saw blade cuts quickly, facilitates the cutting process and improves efficiency. 【Wide Application】Hole saws are very useful when holes need to be drilled and can be used to drill holes on various workpieces. For example, on doors, ceilings, pipes, etc. Suitable for cork boards, thin PVC boards, plastics, etc., but not suitable for hardboards (density boards, computer desks, etc.). 【Portable Storage Box】Hole Saw Comes with a sturdy and compact storage box, easy to carry. You can organize these drilling tools well for easy and convenient removal and storage. 【12 Sizes】Includes 12 sizes of saw blades: 19/22/29/32/38/44/51/64/76/89/102/127 mm. Covers the most common hole saw sizes on the market, which can meet different daily needs. 【Woodworking Helper】Hole Saw Set comes with a positioning drill to help you cut holes easily. This hole