This 15-Piece Ratcheting Screwdriver Set delivers 2 times the speed of a standard ratcheting screwdriver with its patented SpeedDrive technology. SpeedDrive's fluid ratcheting action continuously drives or loosens fasteners with each left and right turn of the handle. The ergonomic bi-material handle is designed to optimize speed, torque, and precision with in-handle storage for quick and convenient access to bits.