\begin{center}
    \begin{tikzpicture}
        \draw[step = 0.5cm, gray, very thin] (-7.25, -1.25) grid (7.25, 0.25);

        \node[crusher, /crusher = hammer] (A) at (-6.0, -0.5) {};
        \node[anchor = south] at (-6.0, 0.25) {\textbf{hammer}};

        \node[crusher, /crusher = impact] (A) at (-3.0, -0.5) {};
        \node[anchor = south] at (-3.0, 0.25) {\textbf{impact}};

        \node[crusher, /crusher = jaw] (A) at (0, -0.5) {};
        \node[anchor = south] at (0, 0.25) {\textbf{jaw}};

        \node[crusher, /crusher = roller] (A) at (3.0, -0.5) {};
        \node[anchor = south] at (3.0, 0.25) {\textbf{roller}};

        \node[crusher, /crusher = cone] (A) at (6.0, -0.5) {};
        \node[anchor = south] at (6.0, 0.25) {\textbf{cone}};
    \end{tikzpicture}
\end{center}