USA Big Stocks Center We are an authorized Artu USA dealer. All our items are Brand new in original package, ARTU USA 02890 Hole Saw Tungsten Carbide Grit Arbor and Pilot Bit 6 piece set Tungsten Carbide Grit Hole Saw for Abrasive Construction Materials. Includes Arbor and Pilot bit. Includes one of each: 1-1/4, 1-3/4, 2-1/8, 2-1/2.For use on concrete block, cultured marble, brick, cement board, wood, drywall, PVC, Fiberglass, Ceramic Tile, Plastic and Plexi glass. Cuts clean holes smoothly in materials without snagging. Designed to work with any variable speed hand drill. For the builder, tile setter, home owner, do-it-yourselfer, construction worker and other professionals. We sell stocks via sale with no reserve price, or low "Buy it Now" price. Due to our low starting bid or "Buy it Now" prices, every sale is final. If you will have any questions, please contact us. Shipping out of the USA is via USPS First Class or Priority Airmail. (International buyers might have to pay additional custom tax / import fees in their country) Thank you very much, happy bidding / buying and good luck!