Accessories for all the manhole ring & cover products Bass & Hays® sells. Stock items. We are happy to sell you just one piece or in truckload quantities. Beware of poor quality imported imitations, always insist on 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.