- 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 on Any Surface: With its unique design, the OX BLOX Trailer Jack Block is stable on virtually any surface, including gravel, grass, dirt, and pavement.
- Made in the USA: The OX BLOX Trailer Jack Block is proudly made in the USA from 100% recycled plastic, making it a smart and eco-friendly investment for your RV.
- Dimensions: The OX BLOX ULTRA is 13.5"x13.5"x2.125" and weighs 7.75 lbs
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. These blocks are professionally engineered to be stable and durable and are made in the USA from recycled plastic and are UV and temperature resistant. They work well on virtually any surface including gravel, grass, dirt, and pavement. OX BLOX jack blocks 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. These blocks are also stackable for when you need additional height. These blocks are made in the USA from 100% recycled plastic. They are sturdy and stable enough to work on their own, without the need for trailer and RV jack pads. The rope makes them easy to grab, carry, and move around. Take OX BLOX trailer jack blocks with you on your next camper trip and rest easy knowing your trailer is stable and secure.
I am using these on a Class 36 ft motorhome. They are working out great. Love the handle on them to carry them
Well built and sturdy! Love the handle and stack capability