Foldable Lock w/Key Lock, 5mm x 90cm (5mm x 3'), SH Bracket, Black. BORDO Alarm 6000A Folding Lock not only places mechanical barriers in the way of thieves, but also sounds the alarm if it detects tampering. if it detects an attempted attack. It does so thanks to the smart 3D Position Detection sensors, which detect the smallest of movements in all three dimensions.