Carbon Fiber Rod Material Carbon Fiber Clarity Opaque Color Black Overall Diameter 3/8 in Overall Length 12 in Tensile Strength 120 000 psi Diameter Tolerance +0.012/-0.004 in Length Tolerance +/-0.500 in Maximum Temperature 180 Degrees F Grade Standard Impact Strength Not Applicable Corrosion and Chemical Resistance Fair Machinability Fair Fiber Direction Unidirectional Water Absorption Not Applicable Density 0.054 lb/cu in Friction Rating Not Applicable