This set of DeWalt drill bits comes in a ToughCase part of ToughSystem storage that optimizes storage. Patented bit-bar design supports easy bit removal. Clear ToughCase lid allows easy view of contents. Clip latch supports a secure closure. Includes: 15 Phillips bits, 11 Flat bits, 12 Square bits, 18 Torx bits, 17 Black oxide drill bits, 1/4" 5/16" 3/8" Nut drivers, 1/4" and 3/8" Socket adapters, Magnetic drive guide, Magnetic bit tip holder.