Hex Standoff Thread Size M3-0.5 Standoff Thread Gender Female-Female Overall Length 4 mm Body Length 4 mm Thread Length 4 mm Body Thread Length 4 mm Hex Width 6 mm Square Size Not Applicable Outside Diameter 6 mm Shape Hex Material Aluminum Finish Plain Pack Size Small Pack System of Measurement Metric Color Silver Hex Width Tolerance +/-0.13 mm