This 8 1/4-Inch Cold Forged Plated Steel Wok Rack (ALSR001) is a vital piece of cookware for any Asian food eating establishment</br>Used to support woks when cooking on a regular range?? this wok rack has a top diameter of 8 1/4"and a bottom diameter of 9 7/8"</br>Keep in mind that a wok ring should typically be 4" smaller than the desired wok diameter</br>It is a product from Thunder Group</br>It has a innovative design</br></br>Product Description</br></br>This 8 1/4-Inch Cold Forged Plated Steel Wok Rack (ALSR001) is a vital piece of cookware for any Asian food eating establishment. Used to support woks when cooking on a regular range?? this wok rack has a top diameter of 8 1/4"and a bottom diameter of 9 7/8". Keep in mind that a wok ring should typically be 4" smaller than the desired wok diameter.</br><br/>http://www.amazon.com/gp/product/B00125P91Czz