Standard 24″ & 32″ GMI composite manhole rings & covers– with gasket & bolts (3 bolts is standard). Lettering may be available on special orders. Has a 4″ diameter round area for your custom stainless steel ID tag. (GMI ID tags sold separately) Fiber reinforced polymer PU1, AASHTO M306. Check individual items for traffic rating & ASTM data. Beware of poor quality imported imitations, always insist on genuine BH® products, made in the 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.