VEVOR Hole Saw Kit, 18 PCS Saw Blades, 6 Drill Bits, 1 Hex Wrench, Bi Metal M42 Hole Saw Set with Carrying Case, General Purpose Size from 3/4" to 4-1/2", Ideal for Wood Board, Iron and Plastic PlateProduct Features Rock Solid 18 Piece Hole Saw Kit Our hole saw set ensures durability and stability, even with prolonged use. With 18 different saw blade sizes, it tackles any diameter effortlessly, making your work a breeze. Universal Quick Installation Assemble the hole saw in 4 simple steps to swiftly get to work. Additionally, our mandrel also fits other brand's hole saws, making it super versatile. High Adaptability Quick Change Arbor Easily