The Klein LLM4 Long-Arm Hex Key is made from top-grade alloy steel that is heat-treated and tempered for added strength and durability. The long side allows users to access hard-to-reach places. The short side is useful in higher torque situations and low clearances.

• Hex Key with rust and corrosion resistant surfaces
• Short Arm Length: 11/16-Inch. Long Arm Length: 3-31/32-Inch. Hex Size: 4mm
• Weight: 0.03 pounds
• Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product
• Made in USA