Name: Protective post material: steel, black stick spray yellow reflective film Specifications: 76 * 600mm / 76 * 750mm / 89 * 750mm / 114 * 1000mm Usage: suitable for road entrances, highway maintenance, hotel, residential, sports venues , dangerous areas and road construction sites. Protection pile installation methods: 1, install protective pile necessary tools: the impact of drilling a, 8-10mm drill, 8mm * 60-80 pull explosion screw, hammer, 14-17-19 trigeminal socket wrench. 2, the first protective pile placed position, and with the impact of drilling piles to protect against ground base mounting hole punch location, then removed the protective pile base in the ground after drilling, pile base back in place the protection of good installation holes, use a hammer to knock the screw pull explosion protection pile base and the ground, with a socket wrench to tighten. Protective pile, Collision column, warning column, reverse light beam; security pillar; the pile, road pile, hailed piles, guard column, crash pile, warning pile, security piles, reverse light beam, to post, road column, hailed column. Events protective piles, piles mobile protection, protective buried pile, reflective steel