K6593 G-10/FR4 Fiberglass Epoxy Laminate Rod Material Fiberglass Epoxy Laminate Color Yellow Clarity Opaque Overall Diameter 5/16 in Overall Length 4 ft Tensile Strength 38 000 psi Maximum Temperature 280 Degrees F Minimum Temperature 0 Degrees F Density 0.072 lb/cu in Diameter Tolerance +0.031/-0.006 in Standards UL 94 V-0 Impact Strength 14.0 ft-lb/in Hardness Rating Extra Hard Friction Coefficient Not Applicable Corrosion and Chemical Resistance Good Friction Rating Not Applicable