The ornamental design for a pedal block, as shown and described.
FIG. 1 is a top-front-left perspective view of a pedal block showing my new design;
FIG. 2 is a bottom-rear-right perspective view thereof;
FIG. 3 is a left elevational view thereof;
FIG. 4 is a right elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 6.
The broken lines, in FIG. 6, show sectional cut indicators, which form no part of the claimed design. The broken lines traversing the body of the article, depict portions of the pedal block that form no part of the claimed design.