Size: 3/32"Long Arm Length Range: 3.281" - 3.469"Short Arm Length Range: 0.562" - 0.750"Material: Hardened Alloy SteelA Hex Key Is A Six-Sided Shaped Bar Bent At A 90 Degree Angle At One EndDesigned To Be Inserted Into A Like-Sized, Hollow Recess Of A Socket Screw To Manually Tighten Or Loosen The FastenerEither Side On The Key Can Be Used For Convenience