Ultra-Fab 17-940007 Ultra Adjustable Footpad Jumbo size, adjustable footpad Eliminates the need for wood blocks by adding up to 3/4" of vertical fine-tune adjustment Made from tough #7 gauge steel Extra large 8" x 5-1/4" foot Fits standard RV landing gear Heavy duty steel extra large 8" x 5" footprint spreads the trailer's weight proportionally and eliminates trailer sinking on soft surfaces No need to carry cumbersome wood blocks Includes vertical fine-tune adjustment for final leveling makes setup easier Manufactures Lifetime Warranty