You're driving T25 Torx screws with a bit that slips, rounds out, or jumps out of the head mid-drive — now you've got a damaged screw head, a stripped recess, and a screw that won't come out or go in. The right bit for the right head isn't optional on finish work. T25 is a mid-size Torx recess — common in sheet metal screws, cabinet hardware, and structural fasteners. This 3-1/2-inch insert bit reaches into countersunk holes and deep receptacles without the flange interfering. 1/4-inch hex shank fits standard magnetic bit holders and impact drivers. Insert-style tip grips the recess cleanly. Key Specs Size: T25 Torx Length: 3-1/2 inches — reaches into countersunk and deep holes Shank: 1/4-inch hex — standard bit holder fit Style: Insert bit — fits recessed heads without flange interference Stocked at Crofton Lumber and Akron Lumber.