Welcome to the Yard, out5yder.
My understanding is that INFI stands for Infinity. Dumpster Dan has a SHBM (I think I've got that right <img src="/ubbthreads/images/graemlins/blush.gif" alt="" />) That is stamped: INFINITY <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />