Features: Freud's High Speed Steel Forstner Drill Bits drill clean holes in wood and most wood products The sharp center spur accurately locates the center of your hole. Use for drilling flat bottom holes, pocket holes, or overlapping holes. Application: Drills plywood, hard wood, and soft wood. Use in hand held drills and drill presses. Specifications: Cut Diameter: 3/8" Overall Length: 3-1/2" Shank Diameter: 1/4"