Greenlee 830, Hole Saw Set With 7/8″ – 2-1/2″ Saws, 9 Piece SetCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* Hole Saw Kit Cuts Through Steel, Tin, Aluminum, Fiberglass, Wood and Plastic* Six Hole Saw Sizes: 7/8″, 1-1/8″, 1-3/8″, 1-3/4″, 2″, 2-1/2″* Deep 1-5/8 Inch Cut to go Through Wood Studs* Includes 3 Arbors With Pilot Drills* Extra-Tough Bi-Metal Blade Made ofCobalt Steel* Power Tool Accessory is Steam Oxide Finished For Cooler Running Saw* Extra-Thick Backplate Minimizes VibrationGreenlee 830