Kaper II L02-0088 Red Trailer Stop/Turn/Tail Light Go to amazon.com Related posts The 12 best trailer lights round 2022 FeatureDot certified safety complaintIncandescent trailer lamp - 3 3/4" roundUniversal stud mount DescriptionLight, trailer, S/T/I, 3.75" Round, incandescent, stud mount, w/o license, plastic High specific gravity, 2 bare wire;1 bulb, #1157 Material:PMMA lens housing material:abs.