Racewill 2 Pack Trailer Jack Block, RV Camper Stabilizer Blocks for Travel Trailer, Up to 15,000 lbs

Racewill Trailer Jack Block, RV and Camper Blocks for Any Tongue Jack, Post, Foot, or Stabilizer, Supports up to 15,000 lbs Heavy duty RV jack blocks, supports up to 15,000 lbs per block Provides 4-inches of lift, trailer jack block can get more height if stacked on top of each other Provides stability for RV stabilizer blocks, eliminates nearly all movement and sway in parked RV's and Trailers Dimensions: 4 tall, L:9.5, W:9.5 at base, L:9, W:9 at top Package include: 2 x Trailer Jack Block