Hex Standoff, M4 Thrd Sz, 1-1/2 in L, 18-8 Stainless Steel Plain, 6.0 mm Hex W
13 mm.7, Standoff Thread Gender Female-Female, Overall Length 16 mm, Body Length 16 mm, Thread Length 16 mm, Body Thread Length 16 mm, Hex Width 6 mm, Square Size Not Applicable, Outside Diameter 6 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.Hex Standoff, Thread Size M4-0.