Customized Hand Tools, 6-In-One Screwdriver - Heat Treated Steel, Features a nickel plated, heat treated, tool quality tempered steel blade. 3/16" Standard. 1/4" Standard. #1 Phillips. #2 Phillips. 1/4" Hex Driver. 5/16" Hex Driver. USA Molded and Assembled. ... #MI8830 $7.68/each.