LENOX One Tooth Rough Wood Hole Cutter Kit, 11 Piece High speed steel tooth provides long tool life Designed to run at high speeds with very little torque Cuts wet, frozen, pressure treated, and hard wood without binding Cuts at an angle for more versatility Unique design allows easy plug removal Kit contains 2-1/8", 2-1/4", 2-9/16", 2-3/4", 3-5/8" 4", 4-5/8"hole saws; 2L 1/2"standard arbor, and two 3/8" stubby spade bits