Made of professional high carbon steel. Four times harder than a regular iron, it can be used with any scraper and toolForged with exquisite spinning process, the inner bottom and surface are smooth and shiny, not easy to stick, and use less oil when cooking. Quick and even heating,Detachable design for easy oven use and storage. Usage: General purpose of gas and induction cookerMaterial: cast iron wokType: UncoatedLid Type: Without LidDiameter: 32cm，34cm，36cmPackage includes: 1* WokPlease note:1) cast iron products can not make sure each one accurate the same weight.the weight is 10pcs average weight2) Manuel measure may have +/-0.5cm tolerance.