3608 Andersen Trailer Jack Block for RV's & trailers with magnets. Stabilize your trailer and extend jack life!

• Built-in magnets instantly attach to the jack, so there is no need to double-check and adjust each jack block.

• A 2-1/2” recessed post hole works great with post jacks

• Stackable for extra height (no more than 2)

Weight Rating & Specs

• Each 8" Trailer Jack Block is rated to up to 8,000 lbs or 1,500 lbs when double stacked

• Each 4" Trailer Jack Block is rated to up to 30,000 lbs or 20,000 lbs when double-stacked

• 12” diameter base, 10“ diameter top

• Top of the jack block includes a 9-1/8” diameter recessed pad and a 2-1/2” recessed post hole for post jacks

• Weighs 5.3 lbs

• Made in the USA

• Covered under lifetime warranty