BISupply Trailer Wheel Chock for up to 6in Caster Wheel - 1pc Rubber Boat and RV Jack Block Jockey Trailer Wheel Dock - 821333

• UPC   840145821333
• [From Boat to RV]: Ensure stability for your towable toys with the BISupply Camp Trailer Jack Blocks. Package includes 1 rubber trailer jack foot plate to fit castor wheels up to 6 inches (15.3cm) in diameter [Provide Protection]: Prevent your boat, RV travel trailer, or pop up camper jockey from rolling or sinking when you place the RV stabilizer block under the tire. Rubber trailer wheel dock provides a wide base to evenly distribute weight [Fits Your Needs]: 4.7 by 6.5-inch (11.9 x 16.5cm) trailer tongue jack wheel block features an internal cavity with a 2.3 by 2.8-inch (5.8 x 7.1cm) flat base to provide stability for trailer wheel casters [Sustain Stability]: With a weight capacity of 4,000lbs (1814.4kg / 2Ton), you can be sure these RV jack pads will meet your needs. Use for warehouse pushcarts, garage tool chests, or camper and boat trailers [Non-Slip Grip]: Thick rubber material with grid pattern on the bottom ensures these trailer tongue jack stand camper hitch blocks will stay firmly in place on pavement, grass, or gravel