Lowes offers DEWALT Tough Grip Screwdriver Bit Set (110-Piece) for $25.98 (reg. $49.98) free shipping.

Product Description:
Take on demanding tasks with TOUGH GRIP™ Screwdriving Bits. With select sizes redesigned to be up to 40X tougher for reduced bit breakage*, these bits can complete challenging jobs with ease. Featuring optimized geometry, the bits for driving T20-T40† fasteners provide tight fit ideal for a wide range of applications. To assist with organization and storage, the TOUGH GRIP™ Combo Bit Sets come packed in the connectable TOUGH CASE®+ System for custom bit storage solutions (additional cases sold separately).