2-Pack Snap Hook Carabiner Marine Grade, 316 S S, 2" X 3/16" (50mm) 120Kg. | eBay
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M5 50mm 304 Stainless Steel Spring Snap Hook Carabiner Quick Link Lock Hook | eBay
Amazon.com : 5 PC 3/16'' x 50mm Carabiner Spring Snap Hook Marine Stainless Steel 80 Lbs : Sports & Outdoors