The Ryobi 29 piece Black Oxide Drill Bit Set is the perfect way to fulfill all of your various drilling needs. These multi-purpose bits drill metal, wood, or plastic and are coated with black oxide for maximum durability. These unique Drill Bits are also equipped with a 135-degree split point to prevent your drill bit from walking so you get the precision you need. This kit also offers a 45% saving versus purchased separately!