LOCKNUT NYLON M40; Material:Polyamide; Locknut Plating:-; Thread Size - Imperial:-; Thread Size - Metric:M40; Thickness:7mm; Product Range:-; SVHC:No SVHC (12-Jan-2017); AF Size - Metric:50mm; Accessory Type:Locknut; Colour:Silver / Grey; External Depth:7mm; Type:GMP-GL