Tri-levelerenjoy Level Parking On Rocky Or Uneven Terrain!levels Rv-raises Tires 1-1/2", 2-3/4" Or 3-7/8"!improved! 1-1/2" Wider Than Previous Model For Even Better Stabilitysafely Holds Up To 3,500 Lbs. Easy To Use-simply Drive Your Tires Onto Leveler To The Height Desired. A Level Rv Helps Your Appliances And Tanks Operate More Efficiently. Features Lightweight, Durable Construction With Nonslip Surface And A Built-in Carry Handle. Works With Single And Dual Wheel. 22.18"l X 7.88"w X 5.31"h. Sold Individually-order Two If You Have A Dual Wheel Vehicle Or If You Want To Level Both Front Or Rear Wheels. Limited 1-year Warranty.