Hex Standoff Thread Size M3-0.5 Standoff Thread Gender Female-Female Overall Length 10 mm Body Length 10 mm Thread Length 10 mm Body Thread Length 10 mm Hex Width 4.5 mm Square Size Not Applicable Outside Diameter 4.5 mm Shape Hex Material Stainless Steel Material Grade/Class 18-8 Finish Plain Pack Size Small Pack System of Measurement Metric Color Silver Material Quality Standards ASTM A582 Hex Width Tolerance +/-0.13 mm