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