Set of contacts for a battery for a hair clipper or trimmer

1. 1The ornamental design for a set of contacts for a battery for a hair clipper or trimmer as shown and described.

FIG. 1 is a bottom perspective view of an ornamental design for a set of contacts for a battery for a hair clipper or trimmer according to the present invention;
FIG. 2 is a side perspective view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1;
FIG. 3 is a bottom front perspective view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1;
FIG. 4 is a bottom plan view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1;
FIG. 5 is top plan view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1;
FIG. 6 is a left side elevational view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1;
FIG. 7 is a right side elevational view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1;
FIG. 8 is a front side elevational view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1; and,
FIG. 9 is a rear elevational view of the set of contacts for a battery for a hair clipper or trimmer of FIG. 1.
The broken lines shown in FIGS. 1-9 are for the purpose of illustrating environmental structure and form no part of the claimed design.