• 1/2” 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: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm
• SAE Size Labels: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/15", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16"