Min. Diam., - Maximum,"3"- Max. Diam., "3-3/4" "All 300 Stainless Steel. Installs at 30-35 lbs. No spot welds to rupture under stress or corrosion. Deep-slotted, shouldered, 5/16" hex-head screw for socket wrench, nut driver or screwdriver installation. Contains 10 per box, sold by the box only.",
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