This stabilizer is manufactured from durable iron. It is a smooth fixator. The fixator is designed to prevents rattling, wobbling, rocking and hitch movement. Easy installation, it's for hitches on SUV’s, , trucks, RV’s, sedans and trailers. Features - Color: Black+Silver - Material: iron. - Size: 10.2x7.8x12cm - Hitch tightener prevents rattling, wobbling, rocking and hitch movement - Anti wobble locking device for ,II,III and IV two-inch receivers. - Clamps the hitch receiver and hitch tube at the same time to prevent tilting. - Easy installation,ideal for hitches on SUV’s, , trucks, RV’s, sedans and trailers. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Package list: 1 x stabilizer