One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Durable, high-impact ABS socket holder with strong magnetic backing. • Holds up to 15 standard and 15 deep 3/8"Sq drive sockets up to 21mm. • Ideal for use in tool chest drawers or can be attached to any ferrous surface. • Allows you to maintain a tidy workstation with sockets always to hand.