Safety Bollard Post, 42 Inch Height Steel Bollards, 3 Inch Diameter Parking Bollard, Yellow Powder 92717461Steel bollard posts are made of Q235 steel, which is built for maximum strength and durability. Safety bollards are used to control traffic and protect people or objects from accidental impact to ensure safety. Widely used in construction sites, on streets, in parking lots, in schools, and in front of buildings. Protect pedestrians from traffic collisions; Alert drivers entering risk prone areas, etc. Strong Defensive Traffic PostThe traffic bollard