The Klein LL12 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.Warnings Always wear approved eye protection. Do NOT use a pipe or similar extension to increase leverage. NOT insulated. Will NOT protect against electrical shock. Features Weight: 0.05 pounds Made in USA Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product Short Arm Length: 1-1/32-Inch. Long Arm Length: 4-1/2-Inch. Hex Size: 3/16-Inch Hex key with rust and corrosion resistant surfaces Rust and corrosion resistant surfaces Short Arm Length: 1.125 in (2.9 cm) Long Arm Length: 4.688 in (11.9 cm) Weight: 0.0500 lbs Hex Size: 3/16 in Height: 0.2250 in Depth: 4.2750 in Width: 1.0170 in Size: 3/16-Inch Material: Alloy Steel Finish: Rust and corrosion resistant Country of Origin: United States DownloadsVideo DownloadSpec Sheet