DEWALT FLEXTORQ 5 Pack 2.25IN BITS FOR T25. FLEXTORQ ZONE FOR 200X LONGER LIFE. Engineered with a FLEXTORQ Zone designed to absorb impact, resist wear, and deliver longer life in tough applications. Redesigned tip geometries for use with T25 size fasteners provide superior fitment for ease of use and one-handed driving . Save time and find the right bit with laser-etched, highly-visible size IDs. 1/4" hex shank for use in drills and impact drivers.