Manhole covers, access hatches & doors, cleanouts, monument boxes, junction boxes & mooring eyes. Castings designed for airports, port authorities or similar applications that require excessive load conditions. Available with lift assist or slip resistant surfaces. Send us your specifications or details. Grates are also available. Specify genuine American made quality products from Bass & Hays! Please use the Contact Form or call us to request info & submittal sheets. 1-800-258-2278 Toll Free (972) 263-1360 DFW Local.