Partsam 2pcs Truck Trailer Stop Turn Tail Light 4" Round Chrome Bezels Cover for Kenworth Freightliner Peterbilt Mack Application: Universal for trucks, trailers, tractors, semi-trailer, Dump Truck, bus, boat, special vehicle, etc. For Heavy Duty trucks like Peterbilt, freightliner, international, Kenworth, mack,etc. Plastic Chrome Bezels for 4" Round Grommet; Covers all of the standard 4" round grommets. It is 5-3/4 Inches wide with an opening of 3-7/8 Inches. Made of a durable chrome plated plastic; It has 3 holes, easy to install.