The Hinge Bolt offers added security on external doors with exposed hinges, helping to prevent doors being forced off their hinges. Fits most types of metal, wood and PVCu patio door including those that slide on the inside or outside track. Hardened steel pin in the bolt resists hacksawing Push in lock barrel to lock and turn key clockwise to open Key only required to unlock Recommend fitting at top and bottom of doors for extra security Helps to secure the doors from being lifted from the track
