We claim the ornamental design for a pin and pin retainer for tow bar, as shown and described.
FIG. 1 is an exploded perspective side view of a pin and pin retainer for tow bar showing our new design;
FIG. 2 is a side elevational view thereof, the elevational view of the opposing side being a mirror image thereof;
FIG. 3 is an end elevational view thereof;
FIG. 4 is an elevational view of the opposing end thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a reduced side elevational view showing the pin and pin retainer for tow bar in use.
The broken line showing of details in FIGS. 1–7 is included for the purpose of showing environmental portions of the pin and pin retainer for tow bar and forms no part of the claimed design.