Use Ace carbon steel hole saws to cut holes in wood, plastic, PVC and ABS. This All-in-One hole saw includes the mandrel and pilot drill. The hole saw features a 1-inch cutting depth, black oxide finish to prevent rust, 6 teeth per inch, and two plug ejection holes. The mandrel has a 1/4-inch quick change hex shank. Use for drilling holes in all wood, wood composite and plastic materials1-3/8 in. hole diameter1 in. cutting depthMade from heat-treated High Carbon Steel (HCS)Hole saw features 2 plug ejection holesBlack Oxide finish to prevent rustIncludes replaceable mandrel with pilot drillMandrel features 1/4 in. quick-change hex shankReusable hanger allows you to safely store the hole saw when not in use