Retractable bollard is the most economical among the bollards.Its buried construction solves the problem of the cylinder storage in access required. Unique flat double guides design save space and have good stability, it also minimizes the damage on surface of cylinder and assures the service life. Our professional mechanical lock and ¡°t¡± clamshell handle are patented, providing users with more beautiful appearance and easier perations. Retractable bollard can also work together with other series bollards. The recommended maximum spacing is 1.4m , the depth of excavation should depend on the different specifications of cylinders. 1. Application: Private garage, villa and so on. 2. Technical parameter: Bollards body weight: 34KG Thickness: 3MM Diameter: 14MM Surface treatment: polishing drawing Height: 600MM Embedment depth: 900MM Running model: manual operation Reflective strip: glosses Crystal lattice reflective tape 30MM Installation size: 250*250*1000MM Protection level: IP67