[Product use]: Improve : The stabilizer increases the stability of and reduces the risk of slipping or falling due to the shaking of when on and off the vehicle. [Scope of application]: RV trailer [Product features]: It has the function of adjustable height or angle to adapt to different ground conditions, such as uneven camping sites or inclined ground. [Product name]: Folding step stabilizer Applicable: RV trailer [Product model]: RV folding step stabilizer [Product size]: 21x26x3.1CM [Product treatment]: electroplating [Product style]: foldable, retractable [Number of angle positioning holes]: 4 [Height adjustment range]: 2.8 inches (about 71mm)-11.3 inches (about 287mm) For 5th Wheels, Travel Trailers and Motorhomes Colour:Black Material:Metal Package Contents: 1 x RV folding step stabilizer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.