Spacer Spacer Type Round For Screw Size M5 Overall Length 2 mm Inside Diameter 5.3 mm Outside Diameter 10 mm Retaining Rib Diameter Not Applicable Material Stainless Steel Material Grade/Class 18-8 Finish Plain Pack Size Small Pack System of Measurement Metric Hex Width Not Applicable Color Silver Dimensional Standards ASTM A582 Hex Width Tolerance Not Applicable Inside Diameter Tolerance +/-0.13 mm Outside Diameter Tolerance +/-0.13 mm Overall Length Tolerance +/-0.13 mm