Stainless Steel Unthreaded Round Spacers, M4 Screw Size, Plain 188 Stainless Steel, 2 mm Overall Lg
13 mm, Overall Length Tolerance +/-0.2 mm, Outside Diameter 8 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.