Master Mechanic, 11/64" x 3-1/4", 4341, High Speed Steel Drill Bit, 118 Point, Bright Silver Finish, Jobber Length, Features 2 Cutting Edges & Polished Flutes, Recommended For Drilling Wood, Plastic, Wallboard & Plywood, For Moderate Use In Soft Metal, Brass, Bronze, Sheet Metal & Aluminum.