Kamasada is Nanbutekki maker in Iwate prefecture. Traditionally, Ironwares are for Tea pot, sukiyaki plate and other cookingwares, but Kamasada use iron to make well designed goods such as beer opener and objects. As material being iron, it is heavy and sturdy.Size : 1.8 in x 3.75 in x 1.3 inWeight : 3.3 oz Material : Cast IronMicrowave : NODirect Fire : NOIH : NOOven : NODish Washer : YESSizes and weights are approximate.*They are handmade one of a kind piece, and each item has slightly differe