Makita Omni Bohrer drill bits are suitable for drilling in a wide variety of materials Suitable for drilling into concrete, tile, brick, slate, limestone, wood, sandwich materials, aluminium, plastic and metal. Percussion sharp high resistance carbide tip with reinforced head. Eliminates the need to switch between different drill bit types Includes 5mm x 85mm, 6mm x 100mm, 8mm x 110mm, 10mm x 150mm and 12mm x 150mm drill bits