Superiority:The teeth of our products are Curved,this design can guarantee for longer life and improve durability.This is the main superiority of our products compare others.

• Can be used in portable electric or pneumatic tools, vertical drillmachines, and other machine tools.
  
• For heavy duty cutting in stainless steel, pipes, aluminum, cuprum, hardwood, plywoodand, plastics.
• The set includes 1-1/2"(38mm), 1-3/4"(44mm), 2" (51mm), 2-1/4"(57mm), 2-1/2"(64mm)Bi-Metal Hole Saws, 1PC Matching Arbor and 1PC Pilot Drill.
• Cutting depth:38mm
  
• Sharper Tooth Geometry cuts material faster for faster drilling.
• Increased high speed steel height (highest in the industry) improves hole saw durability      
• Open eyelets provide for easier removal of cut materials and ncreased visibility while cutting.