100% Brand New material Outside Diameter: 15mm/0.59'' 16mm/0.62'' 18mm/0.71'' 20mm/0.78'' 21mm/0.82'' 22mm/0.86'' 25mm/0.98'' 26mm/1.02'' 28mm/1.11'' 30mm/1.18'' 35mm/1.37'' 50mm/1.96'' Length:65mm/2.55''(Approx) Optimal Rotational Speed:280~300r/min Material: HSS Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks Etc. Provide 12 Kinds of SIZE Hole Saw ,Durable and practical,Meet Your Different Needs. Safety Guide: Please do wear safety equipment like gloves, goggles or compacted hat for safe work. And to reduce temperature use oil or water, this helps you to decrease the chances of any damage cause by high temperature.

• 100% Brand New material.
• Gives You Fast, Convenient and steady Cutting.
• Provide 12 Kinds of SIZE Hole Saw ,Meet Your Different Needs.
• Cutting Tool for Steel, Wood, Metal, Tiles, Aluminum, Boards etc.
• Optimal Rotational Speed:280~300r/min.

100% Brand New material.ASIBT