This is Fineline Sytrene Rectangle Tubing. FEATURES: Used with Concrete Columns in the Construction of Modern Structures Precision Extruded in White Styrene Plastic Ideal for all Facets of Model Building INCLUDES: Five Rectangle Styrene Tubes SPECS: Height: 1/4" (6.4mm) Width: 3/16" (4.8mm) Wall: .025" (0.6mm) CJH 11/30/99 ir/jl