✔️ 【High Quality and Durable】 Made of 51# carbon steel, heat treatment, the saw tooth of the woodworking circle cutter is sharp and durable. With high-frequency quenching, these wood cutting tools have higher hardness (HRC4-48) and long service life. ✔️ 【13 Sizes】 There are 13 pieces wood hole saw blades of different sizes (19/22/25/28/32/38/44/54/64/76/89/102/127 mm) in each pack, and these wood hole cutters can meet various needs in different situations. ✔️ 【Storage Box】 17 ceiling light cutters are packed in a blow molding box. With this box, you can organize these hole cutting tools well, and it is convenient and easy for you to take out these tools. ✔️ 【Wide Use】 These heavy-duty hole saws are suitable for wood, plasterboard, plastic, PVC pipe, fiberglass, etc. Especially for wood, plasterboard, plastic. ✔️ 【Great Helper for Woodworking】 With a positioning drill, this circular hole cutter kit can help you cut a hole easily. And this hole saw kit can be used with a regular hand