Klein hex-keys are the tools professionals cannot afford to be without. The Journeyman Hex T-Handle from Klein Tools delivers more torque to the fasteners than standard hex keys. Heat-treated and tempered for superior strength and durability. Klein hex-keys are designed for a precise fit in sockets, preventing slippage and stripping of the socket.Warnings Always wear approved eye protection. NOT insulated. Will NOT protect against electrical shock, Features Blade-through-handle design for high torque applications Treated steel for rust and corrosion resistance Convenient hang hole Chamfered end for ease of use T-handle design delivers maximum power Tip-Ident sizes marked Soft touch grips for maximum control and comfort Sizes laser etched on blade Size: 3/8-Inch Hex Blade Length: 9 in (22.9 cm) Height: 0.9000 in Width: 4.5000 in Depth: 9.6750 in Weight: 0.0280 lbs (0.45 oz / 12.8 g) Material: Treated Steel Measurement Standard: SAE Country of Origin: Slovenia Sub Brand: Journeyman DownloadsVideo DownloadSpec Sheet