Holehat utility manhole safety cover by Manhole Safety Covers provides a raised visual warning and structural fall protection for utility manholes. The retractable cover is lightweight, portable and simple to use. Aluminum construction gives the unit strength while the three-position retractable yellow cover provides space for maintenance, cleaning and inspection equipment. The yellow neon cover has a large warning and reflective fabric for day and nighttime visibility. 480/650-7122; www.holehat.com.