Drillpro Woodworker Carbide Tip 35mm Dia Wood Cutting Hinge Boring Bit Drill Tool Wood Forstner Bit Set Hole Saw 16mm The Wood Bit Set can be used for hand held drills and drill presses. ?Model: 16mm/ 20mm/ 22mm/ 25mm Suitable for : Wood Hole Cutting Precision ground for heavy use and easily resharpened, they can enlarge existing holes with ease and can bore any arc of a circle. Content : 1 x Hinge Boring Bit