Allen 58034 1-Inch Long Arm L Hex Key,Cooper Tools,58034" /> Made in the USA - Quality and Availability From Allen, the Original Manufacturer of the Hex Key Heat Treated, Tempered Alloy Steel Provides High Strength and Resistance to Rotational Distortion All Hex Keys Are Precision Formed to Exact Dimensional Tolerances for Precise Fit Longer Length Keys for Additional Leverage and Extended Reach