The Sirius Short Hexagon Allen Key in 0.050" AF is suited to small imperial hex fasteners commonly found in precision equipment and instrumentation. Made from alloy steel, it offers dependable performance in tight access situations. Features and Benefits: • Alloy steel construction for strength and longevity • Short arm design for use in restricted spaces • Accurate 0.050" AF hex profile Specifications: Size: 0.050" Arm Length: Short 0.050" AF Hexagon