Best accuracy for a clean and level hole, every time Use Spyder's Rapid Core Eject™ arbor to cut up to 5x faster than standard hole saws — remove cores without prying, cut at an angle, and enlarge existing holes The fast, clamp-on design means no screwing into the door to start your project Kit includes: clamp-on jig, hole saw arbor and pilot bit, 1-in and 2-1/8-in bi-metal hole saws, depth-stop insert inside the 2-1/8-in cup Universal 5/8-18 thread uses Spyder Hex10 arbor/pilot bits or other universal hole saw arbors Can be used on doors made of hardwood, hollow core, steel, metal, and more Door thickness capacity- 1-3/8 in to 1-3/4 in Type: Door lock kit Hole Saw Diameter: Set Adjustable: Yes Arbored/Non-Arbored: Arbored Blade Material: Bi-metal Case Type: N/A (no case) For Use on Drywall: Yes For Use on Fiberglass: Yes For Use on Granite: No For Use on Metal: Yes For Use on Mineral Fiber: No For Use on PVC: Yes For Use on Tile: No For Use on Wood: Yes Package Quantity: 5 Set/Individual: Set Warranty: None Brand/Model Compatibility: Universal CA Residents: Prop 65 Warning(s): No UNSPSC: 27112800