Generic Trailer Jack Block, New Version RV Camper Blocks for Travel Trailer 5th Wheels and More, Up to 15,000 lbs, Use for Any Tongue Jack, Post, Foot, 5th Hydraulic Scissor Stabilizer

• 【All-in-One Function】: Supports nearly any tongue jack foot, wheel jacks, 9” round 5th wheels hydraulic jack foot or Scissor Stabilizer and more! ELIMINATES NEARLY ALL MOVEMENT AND SWAY in parked RV's and Trailers (Less Stress on Your Trailer). 【Measurement】: About 6.3" tall, L:11.2", W:8.9" at base, L:9.8", W:7.5" at top (12" tall when double-stacked), recessed post-hole is 2-1/2" diameter. Top accommodates 9” round 5th wheels jack foot. 【New Upgraded】: Compared with others All-in-one Trailer Jack Block, we have upgraded the internal structure and the load-bearing capacity has been increased by 50%, extremely strong and durable. This is a very important security! 【Heavy Duty Construction】: RV trailer jack blocks are built with a high-performance polymer for years of rugged use. Resists dirt, grime and oil. Rated at 15,000 lbs per block. 【Why Choose Us】: We specialize in the production of various RV accessories. 100% of the products have been rigorous!