The ornamental design for a caliper for disks, as shown and described.
FIG. 1 is a perspective view of a caliper for disks in accordance with the preferred embodiment of the present invention, showing my design;
FIG. 2 is a front view of the caliper shown in FIG. 1;
FIG. 3 is a rear view of the caliper shown in FIG. 1;
FIG. 4 is a left side view of the caliper shown in FIG. 1,
FIG. 5 is a right side view of the caliper shown in FIG. 1;
FIG. 6 is a top view of the caliper shown in FIG. 1; and
FIG. 7 is a bottom view of the caliper shown in FIG. 1; and,
FIG. 8 is perspective view of a caliper for disks, illustrating the caliper open.
The broken line showing of structural features is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design.