Set includes both SAE and Metric sizes. SAE sizes included: 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 inch. Metric sizes included: 1.27, 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8 and 10 mm. Constructed from heat treated carbon steel with black oxide finish. Pivot style holder release feature allows for removal of any key without interference of adjacent keys. | Titan 25-Piece Hex-End L-Shaped Allen Wrench Set