{"product_id":"roblock-trailer-jack-blocks-6-high-4-pack-stackable-rv-stabilizer-blocks-with-bag-11-5-footprint","title":"ROBLOCK Trailer Jack Blocks 6\" High 4‑Pack — Stackable RV Stabilizer Blocks with Bag, 11.5\" Footprint","description":"\u003cb\u003eA four-piece set of heavy-duty 6\" adjustable trailer jack blocks from ROBLOCK that stack to stabilize and level RVs, campers, and travel trailers while eliminating sway.\u003c\/b\u003e\n\n\u003cp\u003eThese ROBLOCK jack blocks are molded from a high-performance polymer with UV-resistant additives so they stand up to grime, oil and sun exposure during long-term outdoor use. Each block supports up to 40,000 lbs GVW, stacks for custom height, and fits a wide range of jack feet — from round 5th-wheel pads to scissor-style stabilizers and standard tongue jacks. The kit includes four 6-inch blocks plus a storage bag and rope handle to make transporting and storing them fast and tidy.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these blocks stop trailer movement and sway?\u003c\/h3\u003e\n\u003cp\u003eBy providing a solid, wide platform under jack feet and stabilizers, the ROBLOCK units remove play between the ground and your RV, drastically reducing bounce and lateral motion. Their textured top and broad base distribute weight evenly to prevent sinking on soft surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge 11.5\" x 11.5\" footprint prevents side-to-side shifting\u003c\/li\u003e\n  \u003cli\u003eTextured contact surface locks jack feet in place\u003c\/li\u003e\n  \u003cli\u003eHigh-load polymer resists compression under weight\u003c\/li\u003e\n  \u003cli\u003eStackable design lets you fine-tune height and pressure distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these blocks work with my trailer’s jack or stabilizer?\u003c\/h3\u003e\n\u003cp\u003eYes — ROBLOCK blocks are designed to accept nearly any jack foot profile, including round 5th-wheel hydraulic pads, square and circular tongue jack feet, wheel jacks and scissor stabilizers. The broad top and recessed center give a secure seat for various shapes while the robust build resists deformation under heavy loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 9\" round 5th-wheel hydraulic jack feet\u003c\/li\u003e\n  \u003cli\u003eFits round, square and flat tongue jack pads and wheel jacks\u003c\/li\u003e\n  \u003cli\u003eWorks with scissor jacks and many aftermarket stabilizers\u003c\/li\u003e\n  \u003cli\u003e4-piece set allows placement at multiple support points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I adjust height and carry or store these blocks?\u003c\/h3\u003e\n\u003cp\u003eEach block stacks securely on another so you can add or remove layers to reach the height you need for leveling. For transport and storage, the blocks include a side hole for threading the supplied rope and a compact storage bag that keeps the set together and out of the way when not in use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStackable sections let you build the exact support height\u003c\/li\u003e\n  \u003cli\u003eSide hole accepts rope for easy lifting or anchoring\u003c\/li\u003e\n  \u003cli\u003eIncludes a compact bag for tidy storage and transport\u003c\/li\u003e\n  \u003cli\u003eLightweight polymer construction simplifies handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key size and performance specs I should know?\u003c\/h3\u003e\n\u003cp\u003eEach block measures roughly 6 inches tall with an overall length and width of about 11.5 inches, giving a stable platform for most RV jack feet. The manufacturer rates each block to support a GVW of up to 40,000 pounds, making them suitable for heavy trailers and fifth wheels when used as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlock height: approximately 6 inches\u003c\/li\u003e\n  \u003cli\u003eFootprint: about 11.5\" long x 11.5\" wide\u003c\/li\u003e\n  \u003cli\u003eLoad capacity: 40,000 lbs GVW per block\u003c\/li\u003e\n  \u003cli\u003eSet includes 4 blocks, rope and storage bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ROBLOCK 6\" 4-piece trailer jack block set is ideal for RV owners, fifth-wheel travelers, and campers who need a durable, portable solution for leveling and stabilizing on uneven or soft ground. If you want a lightweight, UV-resistant option that works with a wide range of jack types and stores neatly in a compact bag, this kit delivers practical performance for seasonal campers and full-time nomads alike.\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: Can these jack blocks be stacked for extra height?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The blocks are stackable so you can combine layers to reach the exact support height you need.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are ROBLOCK blocks weather-resistant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They use a UV-resistant polymer with anti-aging additives to resist sun, grime and oil.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROBLOCK","offers":[{"title":"Default Title","offer_id":67585001554105,"sku":"B0DRHZ8ZJW","price":210.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/roblock-front-packaging-and-bag.jpg?v=1790462943","url":"https:\/\/redleafauto.ca\/products\/roblock-trailer-jack-blocks-6-high-4-pack-stackable-rv-stabilizer-blocks-with-bag-11-5-footprint","provider":"Redleaf Auto","version":"1.0","type":"link"}