{"product_id":"andersen-3684-trailer-jack-block-4-single","title":"Andersen 3684 Trailer Jack Block, 4\", Single","description":"\u003ch3\u003eFast \u0026amp; Easy Trailer Stabilization\u003c\/h3\u003e\n\u003cp\u003eUsing the Trailer Jack block under your jack(s) means your jack doesn’t need to extend down as far, saving on wear and tear over time. And because the jack doesn’t need to extend fully, there’s less stress on it from movement - it’s a win-win for RVs and Trailers.\u003c\/p\u003e\n\u003cp\u003e• Built-in magnets instantly attach to the jack, so there is no need to double-check and adjust each jack block.\u003c\/p\u003e\n\u003cp\u003e• A 2-1\/2” recessed post hole works great with post jacks\u003c\/p\u003e\n\u003cp\u003e• Stackable for extra height (no more than 2)\u003c\/p\u003e\n\u003ch3\u003eWeight Rating \u0026amp; Specs\u003c\/h3\u003e\n\u003cp\u003e• Each 8\" Trailer Jack Block is rated to up to 8,000 lbs or 1,500 lbs when double stacked\u003c\/p\u003e\n\u003cp\u003e• Each 4\" Trailer Jack Block is rated to up to 30,000 lbs or 20,000 lbs when double-stacked\u003c\/p\u003e\n\u003cp\u003e• 12” diameter base, 10“ diameter top\u003c\/p\u003e\n\u003cp\u003e• Top of the jack block includes a 9-1\/8” diameter recessed pad and a 2-1\/2” recessed post hole for post jacks\u003c\/p\u003e\n\u003cp\u003e• Weighs 5.3 lbs\u003c\/p\u003e\n\u003cp\u003e• Made in the USA\u003c\/p\u003e\n\u003cp\u003e• Covered under lifetime warranty\u003c\/p\u003e\n\u003ch3 class=\"rvpg-specs\"\u003eSpecifications\u003c\/h3\u003e\u003cul class=\"rvpg-specs-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Andersen Hitches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 3684\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 871155006847\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 5 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGenuine Andersen Hitches with Andersen's warranty. In stock and shipping from our warehouse in Upland, California. Not sure which size fits your truck or trailer? Ask us before you order.\u003c\/p\u003e\n\u003cdiv class=\"rvpg-pdp-box rvpg-pdp-andersen\"\u003e\n\u003ch3\u003eIs the 4 in Trailer Jack Block right for your jack?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e tongue jacks, stabilizers and landing gear; magnets hold it to the jack foot. 12 in base, 9-1\/8 in recessed pad, 2-1\/2 in post hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e Andersen rates the 4 in block at up to 30,000 lb, or 20,000 lb double-stacked. Stack no more than two.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed more height?\u003c\/strong\u003e the 8 in block is rated much lower; check before you stack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGuides: \u003ca href=\"\/blogs\/blog\/andersen-camper-leveler-jack-blocks-stax-ez-block\"\u003eCamper Leveler, jack blocks, Stax and EZ Block\u003c\/a\u003e. Not sure? Ask us before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"rvpg-brand-links\"\u003eShop the full \u003ca href=\"\/collections\/andersen-hitches\"\u003eAndersen Hitches range\u003c\/a\u003e at RV Parts Giant.\u003c\/p\u003e\n","brand":"Andersen Hitches","offers":[{"title":"Default Title","offer_id":68260554604845,"sku":"RVP-24560","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/5625\/2717\/files\/3684-Short-TJB-Front-view-Transparent-Background.png?v=1794101291","url":"https:\/\/www.rvpartsgiant.com\/products\/andersen-3684-trailer-jack-block-4-single","provider":"RV Parts Giant","version":"1.0","type":"link"}