Work Zone Chain Post Sets --- Each plastic chain measures 6.6' feet (2 meters) and has an overall height of 40" inches after installation, can form a temporary barrier up to 30" inches in length, can also surround them in a ring shape Durable Material for Long-Lasting --- The delineator post is made of high wear-resistant PVC material, the hooks are located in the groove of the contour column, reducing the possibility of accidental collision and damage 2-Minute Quick Installation --- Installation is very convenient, it can be manually installed without the need for any tools. Insert the pillar into the base and tighten it, then hang the plastic chain on the hook Impact Resistance --- The HDPE base weighs 1.8 lbs when empty, 12.8 lbs when filled with water (15 lbs of sand can be used for filling), which gives the product a lower center of gravity and makes it less prone to tipping over Ideal Pedestrian Isolation Solution --- Suitable for both outdoor and indoor environments, especially for construction sites, traffic diversion, store queues, and more OranLite Chain Post Stanchion Sets are designed for separating people, vehicles, and restricted areas in construction events, crowd control, temporary sites, and public areas. 6-type of reflective posts for your option and 2-type of heavy-duty bases available. It is built for professional safety projects where visibility, durability, and reliable performance matter. Suitable for events, work zones, parking areas, and public spaces.