Meets and exceeds the American National Standards Institute (ANSI) specifications for combination wrenches, sockets, and ratchets, Floating pawl ratchets are high torque ratchets, Laser etched sockets provide hi-visibility markings making it easier to read compared to standard marked sockets, Better corrosion resistance when compared to regular chrome sockets, 2-piece cases allow for lid removal and enable the back case to be used as a drawer tray; an easy reassemble of the lid to the case provides for convenient tool storage travel, Black chrome sockets provide a sharper appearance