Hex Key Set Measurement Type Metric Handle Type T-Handle Blade Material Chrome Vanadium Steel Finish Black Number of Pieces 8 Arm Length 3.12 to 5.36 In. Sizes Included 2 2.5 3 4 5 6 8 10mm Standard Tool(Accessory Needed for Tethering) Handle Material Polypropylene and Thermoplastic Rubber Meets/Exceeds ANSI B18.3.2M Includes Metal Stand