The Olsa Tools 27-pc 3/8" SAE Socket and Magnetic Socket Organizer Set, No. 1436, enables technicians to store deep and shallow chrome sockets in a drawer or mounted to the side of their toolbox. With its ferrous magnetic base, the socket holder is able to keep the sockets in the tray and the tray secured to any steel surface. The 3/8" chrome sockets include SAE sizes in deep and shallow profiles from 1/4" to 1" with every 1/16th of an inch: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, and 1". The six-point sockets feature large, easy-to-read stamped markings for instant identification and are constructed from Cr-V steel for strength and durability.