10 Pcs Multi-Material Drill Bit Set for Tile Concrete Brick Glass Plastic and Wood Tungsten Carbide Brick Wall

Material: tungsten carbide : 3-flats Color: Black & Silver Used for: tile concrete brick glass plastic and wood etc High quality durable pricise drilling in various materials at same time convinient for use with time Tool: Power drill. Do not use impact mode of drill or hammers Package Contents: 4x 6mm(1/4inch) Drill Bit 2x 8mm(5/16inch) Drill Bit 2x 10mm(3/8inch) Drill Bit 2x 12mm(1/2inch) Drill Bit Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.