FAST HOLE CUTTING: High speed steel Bi-metal with sharp teeth, perfect for hole cutting on metal, PVC board, wood, plastic and drywall, faster and cleaner cutting. Different hole saw sizes meet your different cutting needs
QUALITY: Made of high strength hard alloy steel, high hardness, wear resistance and corrosion resistance performance, can be used for a long time
GREAT DESIGN: Designed with circular arc spiral chip flute, which can remove chips in all directions. Large and small mandrels for different hole saw choice, easy to install and disassemble. In addition, our set comes with a 5.9in extension rod
PORTABLE STORAGE: The set comes with a customized heavy-duty portable storage case. The well-designed groove can fix each accessory in place. Great for storage after use and convenient carry out