The Ryobi RAK31MSDI Screwdriver Bit Set includes 30 Torque+ impact driver 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. Includes: 30 x 15mm (PH1 x1, PH2 x3, PH3 x2, PZ1 x1, PZ2 x3, PZ3 x2, HEX3, HEX4, HEX5, HEX6, TX15 x3, TX20 x4, TX25 x4, TX30 x2, TX40 x1), 1 x Magnetic Bit Holder (60mm).