This 44-Piece RYOBI SpeedLoad Plus Driving Bit Kit is a great upgrade kit for driving all types of fasteners including Phillips, slotted, hex, square and Torx head screws as well as bolt heads. This set comes with a magnetic screw guide with sliding sleeve to help guide screws in place for easy screw installation. Socket adaptors (2) are for use with your existing socket sets and drill. These bits fit perfectly in the RYOBI SpeedLoad+ chuck (sold separately) for fast and easy bit changes. Identify this kit quickly with the easy-to-read description on the side of the case. Save time and frustration from digging through all your loose bits when you dock the case in the RYOBI DOCKit storage system tray (sold separately).