The Evergreen StripStyrene Plastic I Beam 0.375 from the plastic building materials range provides a set of high quality plastic I beams ideal for adding detail to your models, scratchbuilding and architectural models. Length: 14" (350mm) Imperial Dimensions: 0.375" (3/8") Metric Dimensions: 9.5mm Pieces per Pack: 2 Manufacturer: Evergreen StripStyrene Model: EG279 Plastic I Beam 0.375