I used this solely to cut 1 dryer vent hole through the plywood paneling in my laundry annex. I bought a Milwaukee brand 2 1/2" arbor hole saw from Home Depot, unscrewed that arbor and used it on this hole saw. Unscrewing the arbor after using a hole saw isn't easy, but I didn't want the extra money for one Spend quick-release mandrel (still) for a hole.