Key features

• •*PREMIUM QUALITY!!!* iSaddle Swivel Caster Dual Wheel Dock is Made From Premium Nitrile Rubber That is Built to Last, It is Super Heavy Duty and Spreads the Weight Load Evenly. It Will Keep Your Jack Wheel Safe For Years And Years.
• •*KEEP JACK IN PLACE!!* iSaddle Jack Chock is Designed to Prevent Trailer Jack Tongue Wheel From Moving Rolling Or Sinking Into Soft Foundations Like Mud, Sand, Dirt, Gravel, Grass, And More. It Also Prevents Sideways Movement Once Your Caravan is In Its Stationary Position.
• •*KEEP WHEEL CLEAN!!!* Easy To Use And Store, Prolong Jack Wheel's Service Life, Prevent Jack Wheel From Incurring Any Damage From Mud, Sand, Oil And Other Dirt. Drainage Hole Prevents Rain Causing Rust Damage.
• •*WIDE COMPATIBILITY* iSaddle Double Wheel Dock Will Suit With Many Solid Wheels In The Market, Recommend With 6" (150mm) Trailer Swirl Jack Caster Dual Wheel; Perfect For RV Trailers, Boat Trailers, Pop-Up Camper Trailers, Camping And Tent Trailers.
• •*30 DAYS WARRANTY!!* Please Check the Diameter Before Placing Order!!!