The Ryobi RAK31MSDI Screwdriver Bit Set includes 30x 25mm impact rated screwdriver bits. Engineered to deliver exceptional durability. Torque+ screwdriver bits deliver x10 more life vs standard screwdriver bits. Bits are specially hardened to withstand high torque output. 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 applications. The screwdriver bits include 25mm: PH1 X 3, PH2 X 2, PH3 X 1, PZ1 X 3, PZ2 X 2, PZ3 X 1, HEX3 X 1, HEX4 X 1, HEX5 X 1, HEX6 X 1, TX15 X 3, TX20 X 4, TX25 X 2, TX30 X 1, TX40 X 1.