Filling Tool

FIG. 1 is an isometric view of a front, top, and left side of an ornamental design for a filling tool;

FIG. 2 is a top plan view of the filling tool of FIG. 1 ;

FIG. 3 is a bottom plan view of the filling tool of FIG. 1 ;

FIG. 4 is a rear side elevational view of the filling tool of FIG. 1 ;

FIG. 5 is a front side elevational view of the filling tool of FIG. 1 ;

FIG. 6 is a left side elevational view of the of the filling tool of FIG. 1 ; and,

FIG. 7 is a right side elevational view of the filling tool of FIG. 1 .

The dash-dash-dash lines are included for the purpose of illustrating portions of the filling tool that form no part of the claimed design.