Wera Kraftform Plus Chiseldriver Screwdrivers are designed with a pound-thru blade for hammering. Precision manufactured extra hard pound-thru hexagon blade facilitates zero-loss transfer of forces when struck with hammer and prevents splintering of handle or blade. Integrated impact cap extends service life and makes contact with screwdriver vibration free. Hexagon bolster provides extra torque transfer with use of open-jawed or ring spanner. All Wera hand tools feature the trademarked ergonomic Kraftform handle, with hard and soft zones, that fits the shape to the hand for the ultimate in comfort and high-speed torque transfer. Anti-roll protection at base of handle stops screwdrivers from rolling away at the workplace.