The Meg Clip 1/2-in Drive 72405 Magnet Socket Holder by MAG 1 is a versatile automotive tool designed to hold 1/4, 3/8, and 1/2-inch shallow and deep sockets securely in place. With a sturdy magnet, this socket holder ensures easy access to the sockets and prevents them from getting lost or damaged. This set includes 4 pieces, making it convenient for automotive mechanics and DIY enthusiasts to have the right size socket for any task. Ideal for SAE measurement systems, this socket holder is a must-have for any toolbox.