If you want precision drilling/driving in a wide range of material including wood, steel, aluminium & more, this 20 piece drill & driver bit set from Clarke is ideal. Manufactured to the highest quality, the drill bits in the set are Titanium coated for durability & high performance. These bits operate at cooler temperatures than standard HSS bits which means they can be used for prolonged periods without risk of damage. The Titanium coating also extends the lifespan of the bits, meaning they wont need to be replaced as quickly or as often as traditional HSS bits, saving you money & effort. Complete with drill & screwdriver bits of various sizes to suit a large range of applications.