Rawlplug 32 140 Impactor Masonry Drill 20mm x 160mm RAW32140 Heavy-duty professional masonry drill bit for use with rotary hammer action drills.Shatterproof tip of special grade tungsten carbide for peak performance and long life, whilst drilling concrete, engineering bricks and hard masonry.Extension sleeves are available for deeper drilling.Size. 20 mm x 150 mm. RAW32140