Round Spacer, Spacer Type Round, For Screw Size #10, Overall Length 1/2 in, Inside Diameter 0.192 in, Outside Diameter 1/2 in, Retaining Rib Diameter Not Applicable, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, System of Measurement Inch/Metric, Hex Width Not Applicable, Color Silver, Package Quantity 25