Spacer

FIG. 1 is a first isometric view of a spacer;

FIG. 2 is a second isometric view of the spacer;

FIG. 3 is a front elevational view of the spacer;

FIG. 4 is a left side view of the spacer;

FIG. 5 is a right side view of the spacer;

FIG. 6 is rear elevational view of the spacer;

FIG. 7 is a bottom plan view of the spacer; and,

FIG. 8 is a top plan view of the spacer.

The broken lines shown in the Figures represent portions of a spacer that form no part of the claimed design.