Hex Key Set, Measurement Type SAE/Metric, Arm Type Short, Handle Type T-Handle, Number of Pieces 12, Arm Length 6.00 In., Sizes Included 3/32, 1/8, 5/32, 3/16, 7/32, 1/4 In., 2, 2.5, 3, 4, 5, 6mm, Blade Material Alloy steel, Meets/Exceeds ANSI B18.3, Federal Specification GGG-K-275D, Includes Pouch RestrictionsNOTE: The Selection Guide below indicates the number and type of keys in a set. Use the Ordering Table to select the type of set, piece count, and measurement type that you want. Set contents are indicated by matching the Size Codes from Ordering Table and Selection Guide. Hex and Torx Key SetsT-Handle hex keys have color-coded handles