Durable and practical.
Provide 13 Kinds of sizes High Speed Steel Hole Saw, Meet Your Different Needs.
Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks Etc.
Cuts Steel, Stainless Steel, Copper, Brass, Aluminum, Fiberglass, Formica And Other Laminates In Seconds.
Appliacation: Can be used for bench drill, electric drill chuck with the use of machine tools.