Made of heavy duty steel with a unique and modern design. These bike racks are designed to allow for 5 bikes to lock to them. Most commonly used at schools/universities, hotels, retail centers, condominiums, office buildings, city streets, and even residentially. Tested to survive harsh climates. Can be surface mounted or imbedded in concrete. Has all 2" x 3/8" hot rolled steel construction with RAL super durable TGIC-free polyester powder coating which provides rust proof finish.