Set Includes: 15-pc. Long pattern hex key wrenches: 0.028, 0.035, 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 in. 15-pc. Short pattern hex key wrenches: 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8, 10 mm 2-pc. Extension bars Includes storage case