Features 1、Excellent Carbon Steel Material: This hole saw kit is made of heat treated carbon steel with oil and rust resistance, high performance, anti rust, and durable advantages. 2、Compact And Portable: This hole saw drill bit set comes with a variety of hole saw sizes ranging from 19mm to 152mm, allowing for versatile use in different drilling applications. 3、Multiple Sizes: This hole saw has multiple sizes of saw blades, there are 19mm, 22mm, 25mm, 28mm, 32mm, 38mm, 44mm, 51mm, 64mm, 76mm, 89mm, 102mm, 127mm, 152mm, which can satisfy your different usage needs. 4、Easy To Carry: This metal hole saw kit comes with a customized heavy duty storage case with designated slots in the case to secure each item in place for easy carrying. 5、Wide Application: This hole saw set is suitable for drilling holes in thin metal, PVC board, and plastic board. It is compatible with standard electric drills and impact drills. Specification Item Type: Hole Saw Kit Material: Carbon Steel Size: Approx. 19mm / 0.75in, 22mm / 0.87in, 25mm / 0.98in, 28mm / 1.10in, 32mm / 1.26in, 38mm / 1.50in, 44mm / 1.73in, 51mm / 2.01in, 64mm / 2.52in, 76mm / 2.99in, 89mm / 3.50in, 102mm / 4.02in, 127mm / 5.00in, 152mm / 5.98in Maximum Cutting Depth: Approx. 25mm / 0.98in Package List 14 x Hole Saws 2 x Mandrels (Drill and Mandrels) 1 x Drill Bit 1 x Mounting Plate 1 x Hex Key 1 x Storage Box