This heavy duty metal roll pin belt buckle with webbing tab is designed to be used with webbing belting up to 57mm in width, including S95 belts and 58 Pattern style webbing. Can be integrated into your trouser belt or your webbing system. Buckle incorporates a knurled metal slider with great grip and a strong woven webbing tab to assist with adjustment. Traditionally popular with with airbourne troops. Sizing: one size fits all belts of all thickness up to 57mm in width.