Shim Stock Roll Shim Material Copper Grade 110 Shim Thickness 0.0040 In. Thickness Tolerance +/-0.0004 In. Shim Width 6 In. Width Tolerance +/-0.005 In. Shim Length 100 In. Length Tolerance +3/-0.250 In. Shim Temper Soft (Annealed) Tensile Strength (PSI) 25 000 Rockwell Hardness F65 Color - Used For Spacing In Conventional Power Plant Nuclear Plant Oil And Gas Refineries And Desalinization Projects Where Corrosion Resistance And Hardness Are Required