GO:0071204:   histone pre-mRNA 3"end processing complex
A ribonucleoprotein that binds to specific sites in, and is required for cleavage of, the 3"-end of histone pre-mRNAs. The complex contains the U7 snRNP and additional proteins, including the stem-loop binding protein (SLBP) and the exonuclease 3"hExo/Eri-1.