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Introducing our line of Proto Impact Skt Steel Blk Oxd 16 mm sockets - perfect for professionals in search of durable, high-quality tools that offer a precision fit for metric fasteners. These 3/8 drive metric impact sockets have a three-eighths inch square drive, making them compatible with drive tools of the same size. With sizes measured in millimeters to fit metric head fasteners, these versatile sockets are suitable for an extensive range of applications, from vehicle repair and maintenance to construction work and general mechanics. Their six-point design provides extra strength, while the impact-rated drive ensures you can tighten fastenings with ease in challenging conditions. Upgrade your toolkit with these premium Proto sockets for professional-grade performance you can rely on.