Features:

• Lenox One-Tooth Hole Cutters cut 3 times faster than regular hole saws.
• Safer and less torque than self feed bits, therefore...
  Causes less fatigue on the user
  Can be run on lower power machines
  Can also run at higher speeds (1200 RPM)
• Easy plug ejection.
• Cuts wet, frozen, pressure treated, and hard wood without binding (unlike self-feed bits).
• Resharpenable.
• Cuts more than 300 holes before resharpening is even needed.
• Deep enough to go through 2 x 4 and 3/4" plywood.