Wera Kraftform PH3 x 150mm Phillips Chiseldrive Screwdriver The Wera 917 series rugged Phillips tipped Chiseldriver has been designed to be hit with a hammer, whilst remaining fully useable as a screwdriver, with impact cap and pound-thru hexagon blade. The blade is made from same bit-grade steel as all Wera products, and has a hexagonal profile for added strength, the hexagon bolster allows spanner leverage for increased torque. Blade Length: 150mm Tip: Phillips PH3