20-pc. hex key set. Hardened and tempered chrome molybdenum steel. Metric and SAE sizes in two holders. Includes sizes: SAE: .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″. Metric: 2, 2.5, 3, 4, 5, 6, and 8 mm.







