These are Half-Round Styrene RodsFEATURES: Used for Bumpers, Building Trim, and Recessed Conduit Precision Extruded in White Styrene Plastic Ideal for all facets of Model BuildingINCLUDES: Ten Styrene Plastic Half-Round RodsSPECS: Outer Diameter: .100" (2.5mm) Height: .050" (1.3mm) Length: 10" (250mm)PlastructPart PLS90883