Ryobi RAK38DSDI2 Impact-Rated Mixed Drilling and Screwdriving Bit Set, 38 PieceIncludes impact rated screwdriving and drill bits for tough tasks, perfect for impact drivers and high torque applications such as decking Engineered to deliver exceptional durability, Torque+ screwdriver bits deliver x10 more life vs standard screwdriver bits Max Fit delivers the best fit into fasteners, preventing the tip of bit from slipping out of the screw head, the Torque Zone flexes to absorb torque impact during demanding screwdriving