Round Spacer, Spacer Type Round, For Screw Size #6, Overall Length 1/4 in, Inside Diameter 0.14 in, Outside Diameter 1/4 in, Retaining Rib Diameter Not Applicable, Material Aluminum, Material Grade/Class 2011-T3, Finish Alodine, System of Measurement Inch/Metric, Hex Width Not Applicable, Color Silver, Package Quantity 25