WERA 900 KRAFTFORM CHISELDRIVER SET 6 PC The Wera 9326 set of Chiseldrivers has been designed to be hit with a hammer whilst remaining fully usable as a screwdriver with impact cap & poundthru hexagon blade The blade is made from same bitgrade steel as all Wera products & has a hexagonal profile for added strength the hexagon bolster allows spanner leverage for increased torque p