Chapman Manufacturing has perfected the manufacturing process of  precision small screwdriver sets and bit kits since its conception in 1936. Chapman’s most notable tool, the midget ratchet (which includes milled insert bits) have been used on everything from the... "Nautilus submarine, space ship testing equipment, Apache helicopters to everyday use in machine shops and households worldwide." With innovative features such as utilizing micro- manufacturing, tighter working tolerances and non-magnetic materials, Chapman's tools are highly sought after. Customers appreciate these superior Made in the U.S.A. tools as well as knowing that the dollars they spend go right back into the pockets of the American people.