Wera 05017010002 Kraftform Plus 917 SPH Phillips Screwdriver, PH 2 Head, 4" Blade Length Features drive tips with pound-thru blades Extra tough Pound-thru blade is designed to withstand hammering, preventing splintering of screwdriver handle or blade Impact cap transfers full force of hammer and eliminates vibration Multi-component Kraftform handle fits the shape to the hand for the ultimate in comfort and high speed torque transfer Limited Lifetime Warranty, German Engineered