Ball End Hex Key Shape L Metric Tip Size 10mm Arm Length 6-37/64 In. Handle Length 1-1/2 In. Blade Material Alloy Steel Finish Black Oxide Standard Tool(Accessory Needed for Tethering) Working Angle Up To 35 Degrees Meets/Exceeds ANSI B18.3 Federal Specification GGG-K-275D Package Quantity 5