General description Drop-forged steel extension bar designed for use with all types of air impact tools. This Sealey Premier Impact Extension Bar features a chrome vanadium steel construction with a phosphate finish for enhanced corrosion resistance. It is part of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Technical specifications Model No.: AK5502 Material: Chrome Vanadium steel Length: 150mm Compatibility and accessories Suitable for use on all types of air impact tools. Other information