8HevXII b (originally marked LXXVTS 10b; Rahlfs 943b) is a manuscript of the Septuagint written on parchment in scroll form. This scroll is dated between 50 B.C.E. and 50 C.E. It is a masucript containing a fragment of the Biblical Book of Zachariah 8,18-9,7. It was found in the Judean Desert in the cave of Nahal Heber. This fragment is also numbered 943b on the list of Septuaginta manuscripts according to Alfred Rahlfs classification.