Stockpot induction saucepan series wmf quality one diameter 24 cm material stainless steel lid material glass lid with stainless steel trim handle stainless steel material properties scratchproof dishwasher safe features with lid pouring rim lid features viewing window lid handle feature cool metal handles gesundheitshinweis rustproof shape round suitable for gas cooker induction hob ceramic glass hob halogen cooker oven electric cooker manufacturer