Round Standoff Female Brass Finish Chrome US26 Screw Size 5/16-18 Outside Dia 1 1/2 In Length 4 In Thread Depth 3/4 In Each End Outside Dia Tolerance +0.000/-0.025 In Length Tolerance +/-0.010 In Tensile Strength 55 000 PSI Color Silver Temp Range Not Rated F Package Quantity 2