Wing Nut, Material Steel, Material Grade/Class Class 4, Finish Zinc-Plated, Lock Type Non-Locking, Wing Shape Crescent, Thread Size M8x 1.25, Dimensional Standards BS 856, Material Quality Standards BS 856 CF, Material Fabrication Cold forged, Maximum Wing Span 30 19/64 mm, Overall Height 14.8 mm, Base Diameter 14 mm, Body Height 6 mm, Flange Diameter Not Applicable, Flanged No, System of Measurement Metric, Pack Size Small Pack, Bore Type Threaded Tapped, Color Silver, Removable Yes. This item has been restricted from sale in the following state (s): []