Long and short shank hex keys Alloy steel construction Includes handy organizer 15 Metric hex keys, sizes: .7mm, .9mm, 1.3mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm and 10mm 15 SAE hex keys, sizes: .028", .035", .050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", and 3/8"