VRM-30® reversible manhole ring & cover or optional grate– cast gray or ductile iron. Ring may be used as top or bottom flanged. (Bottom flanged set shown) Stock item. Cast iron riser rings are not available for this item, but standard size steel risers are stock items, and custom size steel riser rings are available on special orders. Set screws are available as an option on steel risers. Sold as a set or as individual ring & cover or grate. H-20 traffic rated when VRM-30® manhole ring is properly installed in reinforced concrete and used with a genuine VRM-30® H-20 traffic rated cover. Standard lettering available- Sanitary Sewer, Storm Sewer, BASS LOGO Storm Sewer, Water, No Lettering (plain), or Grate. Other lettering, special lettering, non-standard LOGOs may be available or available on special orders. (we do stock many custom municipality specs) See individual items for specific ASTM information. Made In USA. LEED® certifications available on request. Please use the Contact Form or call us to request info & submittal sheets. 1-800-258-2278 Toll Free or (972) 263-1360 DFW Local.