'Hex Key Set, Measurement Type Metric, Handle Type L-Shaped, Arm Type Short, Blade Material Alloy Steel, Finish Natural, Number of Pieces 12, Arm Length 1.75 to 6.13 In., Sizes Included 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 14, 17mm, Standard Tool (Accessory Needed for Tethering), Handle Material Alloy Steel, Includes Plastic Index, Size Code M13'