The U.S. Bank ADA compliant posts enable visually impaired persons to detect lowered tape using cane or seeing-eye dog. The 27" height above floor complies with ADA reg. 4.4.1 concerning protruding objects. End piece with locking mechanism prevents end piece from sliding out. Available in three finishes and in two tape lengths: 7'3" (6'8" extension recommended) and 12'6" (12' extentsion recommended), and a variety of tape colors. Dimensions: posts are 38-1/2" H with 2-1/2" diameter. Base is 26-1/4" in dia. Replacement cartridge is also available for this post series in Accessories.