Features 1、ADJUSTABLE DESIGN: Allows to cut holes within the diameter of 40 to 200mm, and the cutting depth can get to 19mm from one side, which can get to 30mm from both sides. 2、HOLE SAW SET: This hole saw set also has many other tools, including 1 hex wrench, 1 pencil, 1 tape measure, and so on. 3、FLEXIBLE USE: Enables flexible application in cutting plywood, gypsum board, veneer, cement board, slate, ceiling tile, etc. 4、ABS DUST COVER: Has a soft silicone rubber washer, the dust cover can catch dust and debris, preventing it from spreading in the air and staining your furniture. 5、EASY CARRYING: Comes with a storage box to store all the tools in an orderly way, adding more convenience to carrying. Specification Item Type: Hole Saw Material: Carbon Steel + ABS Cutting Diameter: Approx. 40 ~ 200mm / 1.6 ~ 7.9in Package List 1 x Adjustable Milling Cutter 2 x Cutting Blade 1 x ABS Dust Cover 1 x Adjustment Hex Wrench 11 x Drill Bit 1 x Pencil 1 x 3 Meters Tape Measure 1 x Storage Box 1 x User Manual