Woodline USA WL-2018-7 7 Piece 1/2-Inch to 1-1/4-Inch and 35 Millimeter Carbide Tipped Forstner Bit Assortment 7-piece 3/8-inch shank forstner bit set precision engineered to cut perfect clean holes Cuts through even the most stubborn hardwood Full carbide planing tooth for smooth flat bottoms; carbide pre-cut teeth for stable cutting and reduced tear-out 7 3/8-inch shank forstner bits Lifetime warranty