A connector is provided which includes a main body, terminals mounted in the body, and a reinforcing metal fitting mounted in the body. The fitting includes a body secured to the mating guide portion, a pair of left and right connecting arm portions connected to the base end of the body, and a pair of left and right contact arm portions connected to the base end of the connecting arm portions. The fitting further includes a first connecting leg portion connected to a connecting pad on a board being connected at the upper end of the first connecting leg portion to the lower end or base end of each contact arm portion so as to have a substantially L-shaped profile when viewed from a side of the connector.