KLEIN TOOLS JTH610E T-Handle Hex Key Set, SAE Inch Sizes Allen Wrench Never Used The KLEIN TOOLS JTH610E T-Handle Hex Key Set in SAE inch sizes is a premium set of Allen wrenches perfect for any home or workshop. With the trusted brand of Klein Tools, you can be assured of high quality and durability. This set includes a variety of hex keys, all with a T-handle design for easy handling and leverage, making it a must-have for any DIY enthusiast or professional mechanic. The SAE inch sizes provide a versatile range of sizes for all your wrenching needs.