  This is the reply to a Comment by I.S.Tupitsyn and P.C.E. Stamp (PRL v92,119701 (2004)) on a letter of ours (J.F.Fernandez and J.J.Alonso, PRL v91, 047202 (2003)). 
Reply to Comment on "Magnetization Process of Single Molecule Magnets at   Low Temperatures"