VonHaus Drill Bit Set, 246pc Combination Set with Screwdriver, Masonry and Wood Bits, Comes with a Storage Case Features: ALL YOU NEED: Complete with 246 pieces including various sizes of wood, masonry, and HSS twist drill bits and much more, your VonHaus drill bit set caters for all your DIY drilling application needs WIDE RANGE OF USES: Constructed from high treated steel, your durable drill bits cut effectively through masonry, wood, metal, and plastics. Compatible with VonHaus drills as well as other brands PREMIUM QUALITY: Featuring a high quality chrome vanadium coating, each metal drill bit seamlessly penetrates a range of hard materials with a clean and precise max speed drilling action DRILL BITS ON DEMAND: Thanks to the durable case and ergonomic carry handle, you'll never lose your drill bits again! The inner moulding displays each component in a logical labelled sequence, so you can stay organised THE VONHAUS PROMISE: All our products are backed by a minimum 2 years warrant