Features: These bumper washers are made of aluminium alloy for strong strength and long durability. Allows quickly, easily and frequently removal, and it is easy to install, so as to bring much convenience. Comes with a set of 4 pcs including 4 fasteners, 2 o-rings, 4 bolts, 4 nuts and 4 gaskets, so it is economical. It is perfect for front bumpers, rear bumpers, trunk/hatch lids, etc. This is the perfect part to give the finishing touch to a beautiful engine bay. Specifications: Material:Aluminium Alloy Color: Blue, Gray, Purple, Gold, Silver, Red, Green, Yellow, Black(optional) Size: 2.5 x 0.8 x 1cm/0.98'' x 0.31'' x 0.4'' Item Quantity: 4 pcs A SetPackage Weight: approx. 83g Package Included: 4 x Fasteners 2 x O-rings 4 x Bolts 4 x Nuts 4 x Gaskets Note: It is easy to install, but professional installation is highly recommended..