The stanley 564977 is a 10 piece set of cushion grip screwdrivers all the screwdrivers are corrosion resistant with high grade chrome plated steel bars for added strength and durability this reduces the chance of tip breakage giving them a longer operation life unlike some other screwdrivers in this class the screwdrivers in this stanley 564977 screwdriver set have been designed with large diameter soft grip handles with a smooth domed end the design provides excellent torque and gives you a fas