Wera Kraftform Screwdrivers with hexagon blades are the economic screwdriver for the Professional user. Wera Comfort hand tools feature the trademarked ergonomic multi-component Kraftform handle that fits the shape to the hand for quick and effortless working. Hexagon bolster provides extra torque transfer with use of open-jawed or ring spanner. Handle marking on top of handle include screw symbol and size of tip to easily find the right screwdriver in your toolbox or workplace. Anti-roll protection at base of handle stops screwdrivers from rolling away at workplace. ? The Best Tools For The Job!