This 7 pce set of super strength alloyed steel forstner bits from CMT include a number of popular sized forstner bits. These bits are a high performance stagger tooth design for clean sharp holes with straight sides and flat bottoms. These bits are ideal for drill presses, electric and cordless drills. Included in this set are 1/4″, 3/8″, 1/2″, 5/8″, 34″, 7/8″ and 1″ diameters.