This Is Traditional Round Butyrate Tubing. FEATURES: Used for Piping in Industrial Complexes or for Flat Car Loads Also used as Round Pylons in Bridges, Piers and Other Structures Precision Extruded in White Styrene Plastic INCLUDES: Ten White Styrene Plastic Tubes SPECS: Outer Diameter: 1/8" (3.2mm) Inner Diameter: .076 (1.9mm) Wall: .025 (0.6mm) CJH 11/29/99 ir/jl