Features: Fully reversible pivot hinges Supplied in pairs: 1 restrictor (left side) & 1 plain For horizontal or vertical pivoted windows With integral automatic restrictor with stop at 15 Automatic engaging reverse stop at 180 Demountable version Integral skirts & sealed angular legs Integral adjustable friction mechanism is active from 0 to 180 Maximum horizontal pivot sash weight 180kg Maximum vertical pivot sash weight 120kg Products tested & approved in accordance with BS 6375 Part 2 Anodised aluminium allow