Heavy Duty Power BarsManufactured from chrome vanadium steel and suitable for the most rugged of working environments- The impact square drive is not guaranteed against mis-use and overloading- Impact square drives are classed as a consumable- Further impact square drives are available as spare partsPart No. 88005000Size 1/2” sq dr x 600mmN.B. 88005000 - 1/2” sq dr model is supplied with one additional replacement square driveSpare Parts:88005100 - Replacement Impact Head - ½” sq dr88007100 - Replacement Impact Head - ¾” sq dr88010100 - Replacement Impact Head - 1” sq dr