\begin{table}
\small{
\begin{center}
\begin{tabular}{cc|cc|cc|cc}
\hline 
$\beta$ & $L / a$   & action  & $\zmagsf$ & action  & $\zmagsf$ 
& action  & $\zmagsf$\\
\hline
6.0219& 8   &  EH &2.585(19)  & HYP1 &2.553(20) & HYP2 &2.593(21)  \\ 
6.1628& 10  &  EH &2.602(24)  & HYP1 &2.575(24) & HYP2 &2.589(26)  \\
6.2885& 12  &  EH &2.602(24)  & HYP1 &2.558(22) & HYP2 &2.589(26)  \\
6.3992& 14  &  EH &2.589(29)  & HYP1 &2.553(24) & HYP2 &2.585(21)  \\
6.4956& 16  &  EH &2.593(35)  & HYP1 &2.533(27) & HYP2 &2.553(22)  \\
\hline
\end{tabular}
\caption{%\footnotesize 
Renormalization factor at the matching scale $\mu=1/2L_{\rm max}$. 
In all cases $\hat{F}_{\mu\nu}$ is the standard (not smeared)
clover operator. The actions are defined as in \cite{Della_Morte:2005yc}. The HYP1 results are new with respect to \cite{Guazzini:2007bu}.}
\label{t:zlref}
\end{center}
}
\end{table}