½” drive Double Row Lock-a-Socket 2 rows of (16) locking posts = (32) total posts. Most versatile organizer for socket storage. The Lock-a-Socket line of products accommodate 1/4, 3/8, & 1/2 drive sockets of various types. The Lock-a-Socket double row contains full length, high powered, no adhesive magnet on the underside; the magnet is inserted into an aluminum base for mounting onto most metal surfaces. To lock the socket, simply turn the socket to the right. To unlock the socket, simply turn the socket to the right. It accommodates all types of sockets LASDR50 No -