This is a Traditional ABS I-Beam. FEATURES: Used for Horizontal and Diagonal Members Precision Injection Molded in Dark Gray ABS Plastic Ideal for all Outdoor or Professional Models INCLUDES: Ten Dark Gray ABS I-Beams SPECS: Height: 1/16"" (1.6mm) Width: 1/32"" (0.8mm) Thickness: .015"" (0.4mm) Length: 10"" (250mm) CJH 11/24/99 ir/jl