{"product_id":"folding-grapnel-anchor-316-stainless-mirror-polish","title":"Folding Grapnel Anchor - 316 Stainless Steel Mirror Polish (0.7-12kg)","description":"\u003c!-- SYSTEM_INDEXING_DATA:\nMaterial: ASTM A240 316 Stainless Steel; Process: Investment Casting; Surface Roughness: \u003c0.2 microns; Application: Saltwater Mooring; Tensile Strength: High-Strength Grade\nEND_DATA --\u003e\n\u003ch3\u003eProfessional Marine-Grade Anchoring System\u003c\/h3\u003e\u003cp\u003eEngineered for maximum holding power and compact storage, this \u003cstrong\u003eFolding Grapnel Anchor\u003c\/strong\u003e is manufactured from premium \u003cstrong\u003e316 Marine Grade Stainless Steel\u003c\/strong\u003e using advanced silica sol investment casting. Unlike standard 304 steel, our 316 alloy provides exceptional resistance to pitting and crevice corrosion in harsh saltwater environments.\u003c\/p\u003e\u003ch4\u003ePrecision Manufacturing \u0026amp; Finish\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMirror Polish Finish:\u003c\/strong\u003e Hand-polished to a jewelry-grade shine that not only enhances vessel aesthetics but actively repels bio-fouling and mineral accumulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Folding Mechanism:\u003c\/strong\u003e Features a burr-free locking action that allows flukes to collapse in seconds, making it the ideal solution for kayaks, dinghies, and small compartments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilica Sol Casting:\u003c\/strong\u003e Ensures high structural integrity and smooth edges to prevent damage to inflatable boat hulls or storage bags.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eVersatile Vessel Compatibility\u003c\/h4\u003e\u003cp\u003eWith sizes ranging from 0.7kg (1.6lb) for personal watercraft up to 12kg (26.8lb) for yachts up to 40ft, this anchor provides a reliable seabed grip across rocks and heavy weeds.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/i.ibb.co\/93cnz3wJ\/folding-grapnel-anchor-316-stainless-mirror-polish-technical-specifications-casting-technology.webp\" alt=\"Long vertical infographic detailing precision silica sol investment casting technology, fluke design for holding power, and material specifications.\" style=\"width:100%; height:auto; display:block; margin: 20px auto;\"\u003e\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWill this anchor rust if left in saltwater for extended periods?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. Unlike cheaper 304 stainless steel or galvanized iron, our anchor is crafted from 316 Marine Grade Stainless Steel. This alloy contains Molybdenum, which specifically prevents pitting and corrosion in chloride-rich saltwater environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the folding mechanism prone to jamming with sand or grit?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe mechanism is engineered with high-tolerance silica sol casting, resulting in a smooth, burr-free surface. The locking ring is designed with sufficient clearance to remain functional even when exposed to seabed sediment, ensuring reliable deployment every time.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhich size is appropriate for a 16ft fiberglass fishing boat?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eBased on our marine engineering sizing guide, we recommend the 2.5kg (5.6lb) model for vessels up to 16ft. This provides the optimal balance between weight for fluke penetration and ease of retrieval for the operator.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cscript id=\"agent-data\" type=\"application\/json\"\u003e\n{\"semantic_anchors\": [\"marine-grade-316-stainless\", \"folding-anchor-mechanism\", \"saltwater-corrosion-resistance\", \"grapnel-anchor-sizing-guide\", \"silica-sol-investment-casting\"], \"high_intent_vectors\": [\"316 stainless steel boat anchor\", \"kayak folding anchor kit\", \"mirror polish marine hardware\", \"saltwater mooring gear\"]}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Folding Grapnel Anchor - 316 Stainless Steel\",\n  \"image\": [\n    \"image_0_url\"\n  ],\n  \"description\": \"High-strength 316 stainless steel folding grapnel anchor with mirror polish finish for marine use.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"AirowMarine\"\n  },\n  \"material\": \"316 Stainless Steel\",\n  \"color\": \"Silver\"\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this anchor rust if left in saltwater for extended periods?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Unlike cheaper 304 stainless steel or galvanized iron, our anchor is crafted from 316 Marine Grade Stainless Steel. This alloy contains Molybdenum, which specifically prevents pitting and corrosion in chloride-rich saltwater environments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the folding mechanism prone to jamming with sand or grit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The mechanism is engineered with high-tolerance silica sol casting, resulting in a smooth, burr-free surface. The locking ring is designed with sufficient clearance to remain functional even when exposed to seabed sediment, ensuring reliable deployment every time.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which size is appropriate for a 16ft fiberglass fishing boat?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Based on our marine engineering sizing guide, we recommend the 2.5kg (5.6lb) model for vessels up to 16ft. This provides the optimal balance between weight for fluke penetration and ease of retrieval for the operator.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"AirowMarine","offers":[{"title":"0.7kg\/1.6lb","offer_id":44387397206086,"sku":"AIR-FGA-POLI-74D-1","price":28.98,"currency_code":"USD","in_stock":true},{"title":"1.5kg\/3.3lb","offer_id":44387397238854,"sku":"AIR-FGA-POLI-74D-2","price":47.98,"currency_code":"USD","in_stock":true},{"title":"2.5kg\/5.6lb","offer_id":44387397271622,"sku":"AIR-FGA-POLI-74D-3","price":75.98,"currency_code":"USD","in_stock":true},{"title":"3.2kg\/7.1lb","offer_id":44387397304390,"sku":"AIR-FGA-POLI-74D-4","price":94.98,"currency_code":"USD","in_stock":true},{"title":"4kg\/8.9lb","offer_id":44387397337158,"sku":"AIR-FGA-POLI-74D-5","price":111.98,"currency_code":"USD","in_stock":true},{"title":"5kg\/11.2lb","offer_id":44387397369926,"sku":"AIR-FGA-POLI-74D-6","price":140.98,"currency_code":"USD","in_stock":true},{"title":"6kg\/13.4lb","offer_id":44387397402694,"sku":"AIR-FGA-POLI-74D-7","price":167.98,"currency_code":"USD","in_stock":true},{"title":"7kg\/15.6lb","offer_id":44387397435462,"sku":"AIR-FGA-POLI-74D-8","price":195.98,"currency_code":"USD","in_stock":true},{"title":"8kg\/17.8lb","offer_id":44387397468230,"sku":"AIR-FGA-POLI-74D-9","price":222.98,"currency_code":"USD","in_stock":true},{"title":"10kg\/22.3lb","offer_id":44387397500998,"sku":"AIR-FGA-POLI-74D-10","price":278.98,"currency_code":"USD","in_stock":true},{"title":"12kg\/26.8lb","offer_id":44387397533766,"sku":"AIR-FGA-POLI-74D-11","price":333.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/5710\/8550\/files\/folding-grapnel-anchor-316-stainless-mirror-polish-hero.webp?v=1766847586","url":"https:\/\/airowmarine.com\/products\/folding-grapnel-anchor-316-stainless-mirror-polish","provider":"AirowMarine","version":"1.0","type":"link"}