1/4IN Drive Lock-a-Socket Metric Black

* 1/4″ Drive Lock-a-Socket * New Locking Strip Allows Locking Posts to Lock Sockets & Lock the Locking Posts in Place on the Rail * Magnetic Rail adheres to ferrous metal surfaces * Metric Size Labels: 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm * SAE Size Labels: 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″