High Quality MaterialThe hole saw kit is made of excellent quality high power carbon steel. Possessing high speed steel teeth which are useful for fast and fine cuts. The most important thing is that it has exclusive gear designs that provide the best quality service to create different holes perfectly. Perfect for making a hole It is an all-in-one product. a! It is amazing, you can make holes according to your needs. It is of high precision, power-resistant, wear-resistant, creating smooth cutting edges. Suitable on various materials It will be a great help for you to use on normal wood, plastic and thin PVC panels. The hole saw kit has powerful cutting force and high durability for long-term use. Convenient to WorkIt is a hassle-free and organized product in all security which is protected in a handy plastic storage case. So you won't have any trouble getting your work done with the chucks and installation plate and you can easily store them for future use. Exclusive Features: Easy to use on the job Hassle-free storage High quality materials Long life Organized in plastic box Safe to create smooth cuts Material: High quality carbon steel Quantity: 13 Pieces Sizes, Diameter: 3 or 4 inch (19mm) 8 or 9 inch (23mm) 1 inch (25mm) 1-1 or 8 inch (28mm) 1-1 or 4 inch (32mm) 1-1 or 2 inch (38mm) ) 1-3 or 4 inch (44mm) 2-1 or 8 inch (54mm) 2-1 or 2 inch (64mm) 3 inch (76mm) 3-1 or 2 (89mm) 4 inch (102mm) 5 inch (127mm) Included in the package: 13 x Carbon Steel Hole Saw 2 x Mandrels 1 x installation plate 1 storage box