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4100 Straight Road Plate contains two identical straight road plates. The plates are 25.4 x 25.4 cm large.
The set includes two 25.4 x 25.4 cm straight road plates with markings. At the edge of each road base is a 6x32 stud 'bump' 'field.' The markings which separate the street and the grates are white, while the border marking of the road has lots of yellow dashes with two grates on each as well.