Wide Applications: This steel pipe can be used either inside or out for storefronts, parking lots, sidewalks, machinery protection, in-plant protection or any traffic-sensitive area. Reassuring shopping experience: If you ever have any questions or concerns, please feel to contact us. High-visibility: The car '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, durable and shiny.