Wera Kraftform Plus 335 SK PH Phillips #1 Hexagon blade Screwdriver is designed for the Professional user. 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. Lasertip micro-rough drive tip bites into the fastener to ensure a perfect fit and reduce cam-out effect. Hexagon bolster provides extra torque transfer with use of open-jawed or ring spanner. Handle marking on top of handle includes 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 screwdriver from rolling away at workplace. Screwdriver dimensions: PH1 x 3-1/8 shaft length, 3-7/8 handle length. Wera The Best Tools For The Job!