O scale sample kit for OML / OBL. This kit contains the folling items 1 pair of either OML 45 degree or 60 degree beveled roadbed 16" long, .350" thick. 1 pair of either OML 45 degree or 60 degree non beveled roadbed 16" long, .350" thick. 1 pair of either OBL 45 degree or 60 degree roadbed 16" long, .250" or 1/4" thick. One of the above pairs is kirfed for make it curvable.