Hex Key Set, Folding Key Shape, Short, Black Oxide, Number of Pieces 1/ HANDLE TYPE: STRAIGHT KEY QUANTITY: 16 KEY CHARACTERISTIC: CONTAINS HEX KEY SIZES 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4 IN. AND 1.5, 2, 2.5, 3, 4, 5, 6MM FEATURES PROVIDED: FOLD-UP TYPE SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD