This is the Traxxas Heat Shield Tubing. FEATURES: Constructed of woven fiberglass INCLUDES: Two sections of Traxxas Heat Shield Tubing SPECS: Length: 2" (50.5mm) Inner Diameter: 0.20" (5mm) jxs 6/05/06 BOX DIMENSIONS: 2.50" W. X .25" H. X 3.13" L. BOX WEIGHT: .01 LBS.