Abstract: A support for an electric heating type catalyst, comprising: a honeycomb structure having partition walls that define a plurality of cells, each cell extending from a first end face to a second end face to form a fluid path for a fluid; and a pair of metal electrode portions in which one metal electrode portion of the pair of metal electrode portions is disposed on a side opposite to the other metal electrode portion across a center axis of the honeycomb structure; wherein one or both of the pair of metal electrode portions comprise at least one protruding portion, the protruding portion projecting toward the honeycomb structure side to abut against the honeycomb structure.