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Buy the 21 MM 1/2" Drive Impact Metric Sockets (6 Point), Taiwan online from South Coast Fasteners. It measures 21 MM diameter. The hardened finish stands up to repeated service. Built for assembly, maintenance, and repair work, it is part of our Metric Socket Individuals line, stocked across industries such as Automotive, Construction, and Electrical.
Keep a supply on hand so the right option is ready when you need it. Please contact us if you need assistance in selecting the right product or placing an order.