A combination of an inner frame and at least two blades for a plug is provided.
The combination includes an inner frame and at least two blades. The inner frame
includes at least two positioning holes and at least two hook members respectively
located adjacent to the positioning holes. Each blade extends through an associated
one of the positioning holes of the inner frame. Each blade includes a portion
engaged with an associated one of the hook members, thereby retaining the blades
in the inner frame during formation of a housing of a plug by injection molding.
