Bass & Hays® standard & custom steel risers, concrete grade rings, & Infra-Riser® composite rubber grade rings. Standard sizes are stock items, custom sizes may be available on special orders. Non-standard size steel risers may be custom made to fit ANY size ring/lid to ANY depth, set screws for security are available. Use concrete grade rings or Infra-Riser® to raise your Bass & Hays® manhole rings to grade from underneath. Check items for traffic ratings. Made In USA. Please use the contact form or call us to request info & submittal sheets.

1-800-258-2278 Toll Free (972) 263-1360 DFW Local.