The OX BLOX ULTRA is a strong, stable, and versatile trailer, camper, and RV support block that works with virtually any scissor jack, tongue jack, post, foot, or round and square stabilizers. The block is professionally engineered to be stable and durable, is made in the USA from recycled plastic, and is UV and temperature-resistant. It works well on virtually any surface including gravel, grass, dirt, and pavement.
The OX BLOX Jack Block will hold stable in a variety of circumstances. The unique design allows for a variety of supports. It can support the post directly, it can support rectangular, square, and round feet, it can support the wheel jack, and more. This block is also stackable for when you need additional height. It’s made in the USA from 100% recycled plastic. It’s sturdy and stable enough to work on its own, without the need for trailer and RV jack pads. The rope makes it easy to grab, carry, and move around.
Strong as an Ox – With a capacity beyond 10,000 lbs., the OX BLOX Trailer Jack Block is the strongest support block on the market. The large surface area makes it a great choice for even the largest stabilizers.
Made to Last – Made from thick, durable plastic and engineered to withstand UV rays and extreme temperatures, the OX BLOX Trailer Jack Block is built to last.
Stable – With its unique design, the OX BLOX Trailer Jack Block is stable on virtually any surface, including gravel, grass, dirt, and pavement.
• Supports nearly any scissor jack, tongue jack, post, foot, or round and square stabilizers
• 10,000-lb. capacity
• Made of 100% recycled plastic
• UV-resistant
• Measures: 13.5″L x 13.5″W x 2″H
• Weight: 8.5 lbs.
Before You Order
Verify part number A-EKJS-ULTRA exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify A-EKJS-ULTRA on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.
