Bonrcea Trailer Jack Block for Any Jack Type

The single most important spec on any jack block is surface area. Smaller pads concentrate the load of a tongue jack or stabilizer into a tight contact patch, which means they sink faster on soft ground than a wider base. At 11.5 x 11.5 inches, the Bonrcea block gives you 132 square inches of contact — enough to distribute the load across grass, gravel, or compacted dirt without the corner-sinking you get from smaller aftermarket pads.

The second question is jack-foot compatibility. Most blocks are designed for either round feet or square feet, not both. The Bonrcea block accommodates both profiles — round tongue jack feet, square stabilizer jack feet, and 5th-wheel post configurations — so one block covers the full range of jack types on a mixed rig. That matters if you run a travel trailer with a tongue jack up front and scissor stabilizers at the corners, or if you're buying a block that will rotate between rigs.

Finally, consider the materials and what they'll actually encounter. Campground surfaces mean UV exposure, occasional oil or hydraulic fluid drips, mud, and freeze-thaw cycling. Cheap blocks crack or deform under repeated load on cold mornings. The block's construction addresses that directly: it's built to resist the grime, UV, and temperature swings that degrade lower-quality alternatives over a season or two.

Grass and turf campsites: This is the most common failure point for bare jack feet. A 3,500-lb tongue weight sitting on a 3-inch jack foot pad will punch straight into wet or soft grass overnight, leaving you with a nose-down trailer by morning. The Bonrcea block spreads that same load across 132 square inches — the jack foot sits on top, and the block distributes the pressure across the turf rather than into it.

Gravel and rocky pads: Gravel shifts under point loads, which causes leveling to drift and stabilizer jacks to work loose. A flat, solid base under each jack foot locks the contact point and prevents the gradual migration that creates rattle and instability inside the rig.

Mixed-rig households: If you pull more than one trailer — a travel trailer and a utility trailer, or you occasionally move a 5th wheel — a block that only fits one jack-foot style is a limitation. Because the Bonrcea block accommodates round feet, square feet, scissor jacks, and post-style 5th-wheel jacks, it covers the full range without needing a separate pad for each rig.

What it's not for: A single jack block is not a substitute for a full leveling system on steeply uneven terrain. On a significant side-to-side or front-to-back slope, you need wheel chocks, leveling ramps, and potentially stacked blocking — a 3.6-inch-tall pad adds height under a single jack foot but doesn't replace the geometry work of getting a trailer level. On hard, flat, dry pavement, a jack block is largely unnecessary — be honest about that.

The block is 3 pounds and 3.6 inches tall, which means it stores flat in almost any exterior compartment or truck bed toolbox without taking up meaningful space. The standard approach is to keep one per jack point — two blocks for a typical travel trailer running a tongue jack plus two corner stabilizers covers the full footprint. Stacking the blocks for extra height under a tongue jack on extremely uneven terrain is a common field technique; the flat surface allows stable stacking.

After use on muddy or oily surfaces, rinse the block and let it dry before stowing. The construction resists oil and grime, but debris packed into the storage compartment tends to migrate to places you don't want it. A quick rinse takes ten seconds and keeps the block clean for the next trip. UV exposure over multiple seasons won't degrade the block the way it would a cheaper plastic alternative, but storing it out of direct sun when the rig is parked long-term extends the surface quality.

The manufacturer backs the block with a 3-year warranty — a reasonable window for a product used in outdoor towing and camping conditions. Keep the purchase record accessible if a defect shows up in the first few seasons.