Netherton Foundry Spun iron deep oven casserole lid with cast knobNetherton Foundry spun black iron lid and cast iron knob To use with spun oven casserole bowl and slow cooker. Theclassic Netherton Foundry branding is cut into the substantial spun iron lid, this is accented in solid brass. We add our signature pre seasonedflax oilfinish to the lid, just like our frying pans. The distinctive texture ensures bondingof the flax oil to the iron. With use, the seasoned finish becomes smoother and develops a glossy