LENOX T3 Bi-Metal Speed Slot Non-Arbored Hole lot of 3

SPEED SLOT features a staircase design for easy plug removal Lenox has introduced an upgrade to the Speed Slot Hole Saws. These now feature T3 Technology. T3 Technology delivers 50% Longer Life and 2X the Durability vs. the prior LENOX generation. The T3 line of hole saws has a patent pending tooth design, which is optimized for longer life and speed, and features larger, sharper teeth that easily penetrate the toughest metals. The hole saws are also built with a 10% thicker wall for added strength and durability.