RV Jack Pads provide a larger footprint, enhancing stability and preventing jacks from sinking into soft ground. They also reduce the risk of sliding, especially on uneven surfaces, making them a crucial addition for safe and secure RV parking Slip-resistant rubber helps isolate and reduce movement during high wind, on slopes, etc. Simply lay the pad down on the ground and place the block on top. These rubber levelers can be placed underneath trailer jack blocks, RV stabilizer jacks, camper wheels, or anywhere else you need some slip-resistance or levelers (raisers) for jack stands, tires, tongue jacks, scissor jacks, etc. Slip-resistant Trailer Jack Pads Rubber Pads For RV Jack Blocks (4-pack) | Slip-Resistant Recycled UV Resistant Levelers Place underneath trailer jack blocks for added stability on gravel, dirt, mud. Slip-resistant rubber helps isolate and reduce movement during high wind, on slopes, etc. 12x12 inch surface area makes these rubber pads ideal for use with most camper ja May be used as levelers. These 12x12x1/4 rubber pads are an accessory for RV leveling and stabilization. 4 Piece RV Jack Pad Set, Anti Slip Weatherproof Leveling Blocks The rubber is UV resistant and made from recycled materials., Includes 4 rubber pads.