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Buy the M4 Metric Hex Keys (Long Arm), Alloy 6150, Import online from South Coast Fasteners. It measures M4 size, Alloy 6150. The hardened finish stands up to repeated service. Suited to shop, garage, and field work, it is part of our Metric Hex Keys line, stocked across industries such as Manufacturing, Automotive, and Construction.
Stocked in full quantities and ready to ship for jobs of any size. Please contact us if you need assistance in selecting the right product or placing an order.