General description Drop-forged Chrome Molybdenum steel extension bar designed for use with impact tools. This extension bar is part of the Sealey Premier Hand Tools range, suitable for daily professional use. Technical specifications Model No.: AK5511 Material: Chrome Molybdenum steel Length: 200mm Finish: Phosphate for added corrosion resistance Socket retainer: Spring-ball socket retainer Drilled head: Accepts retaining pin Other information