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The QA1 left-hand jam nut kit (1/4-28) contains five aluminum jam nuts, each with a 7/16" hex and 5/32" face width suited for finer left-hand threads. These pieces lock against mating fasteners to hold adjustments in place. QA1 offers comparable steel and aluminum options across standard and metric sizes, with clear-anodized aluminum finishes available where noted.
QA1 Jam Nut - 1/4-28 Left Hand - 7/16in Hex 5/32in Wide - Aluminum - 5 Pack
