I claim the ornamental design for a sprocket nose, as shown and described.
FIG. 1 is a perspective view of a sprocket nose showing my new design in a position of use on a chainsaw guide bar;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a perspective view of the sprocket nose wherein a portion of the environmental subject matter has been removed for ease of illustration; and,
FIG. 9 is another perspective view of the sprocket nose wherein a portion of the environmental subject matter has been removed for ease of illustration.
The dash-dot-dash broken line immediately adjacent to the shaded area defines the bounds of the claimed design and forms no part thereof. The remainder of the broken lines are provided for environmental purposes only and form no part of the claimed design.