Single shallow length, 1/4 in. Expertly coated with manganese phosphate, the preferred coating in military and aerospace, which offers superior protection and corrosion resistance compared to black oxide coating on other impact sockets The 6-point WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage. Exhaust Gas Recirculation (EGR) Valve Delphi EG10172 Capri Tools 8 mm Shallow Socket, 1/4-Inch Drive, 6-Point, Metric ; Drive, 1/4" ; WaveDrive, 6-Point ; Style, Shallow ; Size Range, 4 -15 mm ; Material, Chrome... GEARWRENCH 3/8 Drive Standard Impact Metric Socket 10mm, 6 Trusted by professionals, the Capri Tools high performance sockets are what you need for the job at hand We use premium Chrome Molybdenum steel tempered with our proprietary heat treatment process to make these impact sockets. Each socket is expertly coated with manganese phosphate, the preferred coating in military and aerospace, which offers superior protection and corrosion resistance compared to black oxide coating on other impact sockets. 6-point WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage Capri 1/2 Impact Socket Set Capri Tools 8 Mm Deep Impact Socket, 1/4-Inch Drive, Mozambique No Skip Socket Set