M.K. Morse's Electricians BiMetal Hole Saw Kit includes three arbors (MA24, MA34, MA45PS), giving flexibility across a range of hole sizes. The patentpending tooth set reduces cutting resistance and wear, while the new cap minimizes runout to maintain accurate holes under load. With a full cutting depth of approximately 115/16in., this kit meets the depth requirements for typical box and conduit installations. Crafted and assembled in the USA, its ideal for professional installers seeking reliable, longlasting hole saw performance for electrical, HVAC, and low-voltage systems.