Cater to your streetscape's changing access needs with the sleek and contemporary style of the model R-8471 retractable bollard. With the ability to telescope in and out of a concrete substrate, it is a sleek access control device that is perfect for areas that lack the storage space required for retractable bollards. Composed of 316 stainless steel, it provides a higher level of anti-corrosion protection than bollards created form other grades. Please note that the model R-8471 can only be locked in its extended position.