Irwin Industrial 3073004 15 Piece Bi-Metal Hole Saw Kit - (12 Sizes)

• Variable depth gullets provide more efficient chip clearance
• 4/6 Variable pitch teeth for reduced noise and improved performance
• Electron beam weld for stronger, longer lasting teeth
• Bi-metal construction for toughness and long life
• 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1- 3/4", 2", 2-1/2", 3"
• 3/8" hex arbor
• 1/2" hex arbor
• pilot drill