The ornamental design for a surfacetool, a described and shown.
FIG. 1 is a perspective view of a surface tool according to a preferred embodiment of the present invention;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side plan view thereof;
FIG. 5 is a left side plan view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The broken lines showing parts of a surface tool are for the purpose of illustrating portions of a surface tool that form no part of the claimed design.