Introducing the 4110 10-piece 3/8” Drive Extra Deep Metric Socket Set from Astro Tools, which includes 8-17mm sockets with no skipped sizes. Popular for use on various tasks like diesel glow plugs, turbo systems, rear bumper covers, valve cover bolts, spark plugs, clutch bleeders and more, these sockets feature a deep broach and extra deep total inside clearance at 4-3/4 inches long without the high cost associated with most extra deep sets. The lifetime warranty includes convenient tool box storage tray with size markings.