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01274 is a JR Products trailer coupler safety lock pin measuring 1/4 inch in diameter with a 2-1/2-inch usable length. It is constructed of zinc-plated steel and features a spring-tensioned snap-lock bail designed to provide a secure hold. This pin is intended for compatible trailer coupler applications where a secure retaining pin is required. Its zinc-plated finish provides resistance to rust and corrosion.