Simplex 3.5-pound paver mallet with 60mm replaceable faces. Comes with either two black rubber inserts (SP60BB), hard red plastic and black rubber inserts (SP60RB), or white superplastic and black rubber inserts (SP60BW). Both models come with a hickory handle and are held together by a cast steel housing. Replacement inserts are available in varying hardnesses for all of your hardscaping needs. With a long list of uses, Halders simplex mallets have become a hardscaping must.