The Eklind Long-Series Hex-L Key is precision-machined from heat-treated alloy steel with a corrosion-resistant black finish. Its long and short arms provide deep reach and superior leverage for recessed hex fasteners. This robust Allen wrench is ideal for both professional and DIY applications that require torque in tight spaces, made with Eklind Alloy Steel that is heat-treated, quenched, and tempered for optimum strength, torque, and ductility.