{"product_id":"roblock-trailer-jack-block-6-heavy-duty-rv-stabilizer-11-6-base-interlocking-stackable","title":"ROBLOCK Trailer Jack Block 6\" Heavy-Duty RV Stabilizer — 11.6\" Base, Interlocking Stackable","description":"\u003cp\u003e\u003cstrong\u003eROBLOCK 6\" Trailer Jack Block is a durable, high-performance polymer stabilizer that raises and steadies RV tongue jacks, posts, feet, and scissor-style stabilizers for safer, more level camping setups.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need a reliable support under your RV’s jack head that resists sinking, cracking, and water damage, this 6-inch jack block delivers a tall, stable platform while remaining lightweight and easy to handle. Designed to work on grass, gravel, sand, snow, and pavement, the block speeds up leveling and reduces strain on your jack by shortening the required extension. Built-in drainage, an interlocking stack design, and a molded handle make it practical for storage and transport on any outdoor excursion.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this block improve RV stability and prevent sinking?\u003c\/h3\u003e\n\u003cp\u003eThe ROBLOCK block spreads load over a wide, rigid base so jacks don’t bite into soft ground. Its one-piece construction resists bending under heavy loads and the textured surface increases grip between the jack foot and block.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWide 11.6\" base disperses weight and resists sideways movement\u003c\/li\u003e\n  \u003cli\u003eSolid polymer body rated around GVW 40,000 lbs for reliable support\u003c\/li\u003e\n  \u003cli\u003eTextured top and recessed jack seat reduce slipping\u003c\/li\u003e\n  \u003cli\u003eDrainage holes prevent puddling that can soften substrate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan these blocks be stacked to reach different heights?\u003c\/h3\u003e\n\u003cp\u003eYes — the blocks feature an interlocking profile that lets you stack multiple units securely without shifting. When stacked, they create a taller, unified support column so you can fine-tune height quickly and safely.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInterlocking lip and groove for stable vertical stacking\u003c\/li\u003e\n  \u003cli\u003eStacks nest for compact storage when not used\u003c\/li\u003e\n  \u003cli\u003eEach block adds 6\" of height — combine as needed for precise leveling\u003c\/li\u003e\n  \u003cli\u003eStable even on slightly uneven surfaces due to broad footprint\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these blocks durable and easy to use in outdoor conditions?\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-performance polymer, the blocks resist UV degradation, oil, and mud so they keep shape and strength season after season. A molded handle plus included rope makes carrying and placement straightforward, while the light 2.81 lb weight avoids adding unnecessary bulk to your gear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUV-stable polymer resists sun damage and cracking\u003c\/li\u003e\n  \u003cli\u003eIntegrated drainage prevents water accumulation and freeze damage\u003c\/li\u003e\n  \u003cli\u003eLightweight 2.81 lb design with molded handle for portability\u003c\/li\u003e\n  \u003cli\u003eEasy to clean — hose off dirt and debris after use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich jacks and setups will this block fit?\u003c\/h3\u003e\n\u003cp\u003eThe 11.6 x 11.6 x 5.91-inch seat accommodates a wide range of jack heads including round, square, post, foot, scissor stabilizers and many fifth-wheel setups. Its neutral profile works with most common jack types so you don’t need multiple specialty adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with tongue jacks, scissor stabilizers, post feet and wheel jacks\u003c\/li\u003e\n  \u003cli\u003eRoomy seat handles round or square jack heads securely\u003c\/li\u003e\n  \u003cli\u003eUseful for trailers, travel trailers, campers, and 5th wheels\u003c\/li\u003e\n  \u003cli\u003eWorks on dirt, gravel, sand, grass, snow, and paved lots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you tow a travel trailer, own a fifth-wheel, or frequently camp on soft or uneven terrain, the ROBLOCK 6\" Trailer Jack Block is designed for you. It’s especially useful for RV owners who want a durable, lightweight solution to prevent jack sinking and reduce wear from over-extension. Ideal for weekend campers, long-distance travelers, and anyone who prefers compact, stackable gear that packs away easily.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these blocks safe to stack under a heavy fifth-wheel jack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The interlocking design secures stacked blocks and each unit supports heavy loads to increase jack stability when stacked correctly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the block sink in soft ground like sand or wet grass?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Less likely — the wide base distributes weight to reduce sinking, and drainage holes help keep the surrounding soil firmer.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROBLOCK","offers":[{"title":"Default Title","offer_id":67588567859385,"sku":"B0FS64W2TC","price":92.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/roblock-front-packaging-view_4084643a-2df8-4fb0-bfec-57bcdb4527a6.jpg?v=1790520023","url":"https:\/\/redleafauto.ca\/products\/roblock-trailer-jack-block-6-heavy-duty-rv-stabilizer-11-6-base-interlocking-stackable","provider":"Redleaf Auto","version":"1.0","type":"link"}