The DT70760 68 Piece drill bit set is part of the Dewalt modular Toughcase accessory range. They are stored in a Medium Connectable Tough Case compatible with the TSTAK System via the Large Tough Case. The Dewalt DT70760 Set consists of 24 Drills, 42 Screwdriver Bits and 2 Holders. The DEWALT ToughCase+ Accessory Storage solutions have premium features to help keep drilling and fastening bits organized. The system includes four container sizes; the Small Bulk Storage Container, Small ToughCase�+ Container, Medium ToughCase�+ Container, and Large ToughCase�+ Container for unlimited configurations. The ToughCase�+ Containers feature newly-designed bit storage, with a unique bit bar position that allows for easy removal of bits. Clear lids let users see what's in the case at a glance. In addition, the Small, Medium and Large ToughCase�+ Containers include a proprietary latch system to connect to each other for optimized storage space. The Small Bulk Storage Container fits into each of the units as well, and helps loose materials stay organized. Features Medium Tough Case System Set Connectable Case allows multiple sets to be stacked and locked together TSTAK compatible to hold all your accessory sets in one place Compatible with the TSTAK system via the Large Tough Case Mixed set contains masonry drill bits for SDS Plus Drills and Percussion Drills Extreme SDS Plus masonry drill bits are designed with a Toughcore. The tapered central core increases stability and durability, reducing breakage Adds strength and resistance when drilling deep holes with increased side loads Reduces flexing between the flute and shank, preventing bit fracturing Extreme SDS Plus masonry drill bits contain a Wear Mark Indicator allowing you to make sure the holes you drill are the diameter you need Ideal for accurate mechanical anchor installation Set includes Large box of 68 pieces containing: 5 x Extreme SDS Plus Masonry Drill Bits: 1 x 6mm