Wide Applications:This steel pipe bollard can be used either inside or out for storefronts,parking lots,sidewalks,machinery protection,in-plant protection or any traffic-area. Portable:The pillar and the base are separate.If parking pole blocks the road,the column part can be temporarily removed. High-visibility:The car bollard's locking arm features reflective tape that allows for visibility in low light or at night. Stainless steel material:The surface is as smooth as a mirror,does not rust,strong.