Milwaukee 5/8" Diamond Max™ Hole Saw Bit delivers up to 20 times longer life with cutting performance in porcelain. This hole saw bit features higher-grade diamonds and superior retention, ing -in-class durability and wear resistance to handle the most demanding applications. The improved diamond grit ensures faster cutting and quickly grips into material for clean, easy cuts. Designed to provide more cutting with less clogging, it is an i choice for precision and efficiency in your projects. Model Number: 49-56-0513