Cold-formed and heat-treated for extra strength and rigidity. Rugged King Pin construction. Swivels have double ball race. Zinc-plated finish assures a bright appearance and prevents rust. Top plate: 2-3/4 x 3-3/4"; Bolt hole spacing: 1-3/4 x 2-7/8", slotted to 1-3/4 x 3". FOB Shipping Point.
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