This DeWalt pozi #2 impact screwdriver bit box. The Dewalt DT70564T is a Pack of 25 EXTREME FLEXTORQ Screwdriver Bits with a Drive Guide in a Small Bulk Storage Case. Designed to fit inside the small, medium, and large cases as well as the TSTAK-compatible accessory caddy. These Bits withstand the high forces of today's impact drivers, significantly reducing the instances of failure when fixing large screws in place. The full-fit head prevents play and screw head-turning.