Screwdriver bit socket 1/4" hex 2 mm, Screwdriver bit socket 1/4" hex 2.5 mm, Screwdriver bit socket 1/4" hex 3 mm, Screwdriver bit socket 1/4" hex 4 mm, Screwdriver bit socket 1/4" hex 5 mm, Screwdriver bit socket 1/4" hex 6 mm, Screwdriver bit socket 1/4" hex 8 mm