Features: Material: rubber (stretchable); screws (stainless steel). Measures: height 4 cm, upper width 2.2 cm, lower width 1.3 cm. Color: black. Features Very easy to install in minutes, just remove the old bolts to clean the area and insert the new one. Supplied with 4 soft plastic washers, fried washers when tightening the bolts towards the holes and be careful not to tighten the bolt so much that it pushes through the washer. Contents: 2 rubber expansion plugs. < / P>