{"product_id":"tie-down-class-4-trailer-safety-chains-5-16-in-x-40-3-4-in-with-s-hooks-7-000-lb-mpn-81204-pair","title":"Tie Down Engineering Class 4 Safety Chain, 5\/16 in. X 40-3\/4 in., Sold in Pairs with S-Hooks","description":"\u003cp\u003eThis Tie Down Engineering safety chain is built for towing and boat trailer applications that call for a Class 4 rated backup connection. Sold as a pair, each chain measures 5\/16 in. In diameter with an overall length of 40-3\/4 in., and the set includes two S-hooks for quick, secure attachment between the trailer and the towing vehicle or between the boat and the bow stand on the trailer. The chain is constructed of zinc-plated steel, giving it a durable, corrosion-resistant finish suited to outdoor and marine-adjacent use. With a Class 4 rating, this pair supports a combined load capacity of 7000 pounds, making it appropriate for larger trailers and heavier towing loads where a single lighter-duty chain would not be sufficient. The included S-hooks are designed for straightforward hookup without additional hardware, so the chains can be swapped onto a trailer as a direct replacement set. Whether used as the required safety backup for a tow vehicle connection or as a bow safety chain securing a boat to its trailer stand, this Tie Down Engineering Class 4 chain (part number 81204) provides a strong, reliable link. Each unit in the pair weighs 6.76 pounds.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Tie Down Engineering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 81204\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass:\u003c\/strong\u003e Class 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain Diameter:\u003c\/strong\u003e 5\/16 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 40-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Zinc-plated steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\/Color:\u003c\/strong\u003e Zinc plated (silver)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Capacity:\u003c\/strong\u003e 7000 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttachment Type:\u003c\/strong\u003e S-hooks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e 2 safety chains with 2 S-hooks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.76 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis Class 4, 5\/16 in. Safety chain is suited to trailers requiring a Class 4 rated safety chain connection, including use as a bow safety chain securing a boat to the bow stand on the trailer.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the load capacity of the Tie Down Engineering 81204 safety chain?\u003c\/strong\u003e The 81204 chain carries a Class 4 rating with a load capacity of 7000 pounds, making it suited to heavier trailer and towing applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long is part number 81204?\u003c\/strong\u003e Part number 81204 has an overall length of 40-3\/4 in. And a chain diameter of 5\/16 in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this chain come with hooks already attached?\u003c\/strong\u003e Yes, the 81204 pair includes two S-hooks for attaching the chains between the trailer and the tow vehicle or boat stand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many chains are included in this listing?\u003c\/strong\u003e This is sold as a pair, giving you 2 safety chains with 2 S-hooks total, part number 81204.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the 81204 safety chain made from?\u003c\/strong\u003e The chain is made of zinc-plated steel, which resists corrosion during outdoor and towing use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this chain be used as a bow safety chain?\u003c\/strong\u003e Yes, this Class 4, 5\/16 in. Chain can be used to secure a boat to the bow stand on the trailer, in addition to standard tow vehicle safety chain use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat class rating does part 81204 have?\u003c\/strong\u003e Part 81204 is Class 4 rated, the heaviest-duty classification in this chain lineup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 81204 chain weigh?\u003c\/strong\u003e The Tie Down Engineering 81204 chain weighs 6.76 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a direct replacement part?\u003c\/strong\u003e Yes, the 81204 Class 4 safety chain is designed as a replacement set for worn or damaged trailer safety chains.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 81204 chain and other chains in the same lineup?\u003c\/strong\u003e The 81204 is the Class 4, 5\/16 in. Chain with a 40-3\/4 in. Overall length; other part numbers in the same lineup use different classes and shorter lengths for lighter-duty use.\u003c\/p\u003e","brand":"Tie Down Engineering","offers":[{"title":"Default Title","offer_id":48991678202075,"sku":"T-D-81204","price":34.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/71PO8FYJcjL.jpg?v=1784509721","url":"https:\/\/www.goodvibesmarina.com\/products\/tie-down-class-4-trailer-safety-chains-5-16-in-x-40-3-4-in-with-s-hooks-7-000-lb-mpn-81204-pair","provider":"Good Vibes Marina","version":"1.0","type":"link"}