At Bass & Hays- We got you covered™ on all types of manhole cover products in cast gray iron, ductile iron or fiber reinforced composite. All standard types, sizes & styles are stock items. Riser rings and accessories are all stock items. We stock a wide variety of standard lettering & LOGOs. Special lettering & LOGOs are available by special order- and we will get it for you FAST. Check individual items for traffic rating & ASTM data. Please use the Contact Form or call us to request info & submittal sheets. 1-800-258-2278 Toll Free in USA or (972) 263-1360 Texas DFW Local.