RYOBI Impact Rated Driving Bits are built to withstand the tough demand that comes with the use of an impact driver. The 2 in. bits feature a TORSION ZONE that is engineered to absorb the high torque and demand that comes with the use of an impact driver. Additionally, this kit includes anchors and screws for drywall fastening. The included case is compact and modular, meaning the bit holders can be removed or rearranged. This allows for complete customization of accessory kits. This 142-piece driving kit offers a variety of the most commonly used 1 in. and 2 in. bits, along with specialty socket adaptors, nut drivers, and magnetic screw guide.