The ornamental design for a handle for tools, as shown and described.
1. Handle for tools
1.1 is a perspective view of a handle for tools showing the new design;
1.2 is a top view of the handle for tools of 1.1;
1.3 is a left view of the handle for tools of 1.1;
1.4 is a front view of the handle for tools of 1.1;
1.5 is a right view of the handle for tools of 1.1;
1.6 is a back view of the handle for tools of 1.1; and
1.7 is a bottom view of the handle for tools of 1.1.
Figure 1.1 is a perspective view of a handle for tools showing the new design; figure 1.2 is a top perspective view of the handle for tools of figure 1.1; figure 1.3 is a left view of the handle for tools of figure 1.1; figure 1.4 is a front view of the handle for tools of figure 1.1; figure 1.5 is a right view of the handle for tools of figure 1.1; figure 1.6 is a back view of the handle for tools of figure 1.1; figure 1.7 is a bottom view of the handle for tools of figure 1.1.