LENOX Speed Slot® Hole Saw With T3 Technology The LENOX Speed Slot® Hole with T3 Technology™ delivers up to 50% longer life and is up to 2x more durable than prior generations. The advanced tooth design and 10% increased wall thickness improves durability and minimised tooth loss. The Speed Slot® staircase allows for fast and easy plug removal. The enhanced tooth geometry, a thin kerf design, and advanced coating contribute to the efficiency of the cutting process. Features and Benefits • T3 Technology™ for up to 50% longer life • 2X More durable compared to previous version • SPEED SLOT® staircase design for fast, easy plug ejection • Increased wall thickness improves durability and minimizes tooth loss • Optimized tooth design penetrates metal with ease • Improved metal cutting performance • Larger, sharper teeth remove more wood for fast cutting