Netherton Foundry 13" (33cm) Spun iron wok lidShropshire Made 13(33cm) spun iron wok lid Made in Britain. Pre seasoned with flax oil for a natural non stick finish. Durable 99. 1% pure iron wok lid . Hand made, British oak knob. Lids for woks: Please be aware that our woks are not always 100% round as they are hand formed. So, if you want a "sealed" style lid, this won't be for you. The lid is useful if you wish to steam food or prevent splashing whilst cooking but it won't be a concentric fit to