I claim the ornamental design for the drywall tool holder, as shown and described.
FIG. 1 is a top perspective view of the drywall tool holder of the present design;
FIG. 2 is a top plan view of the drywall tool holder of the present design.
FIG. 3 is a bottom rear perspective view of the drywall tool holder of the present design;
FIG. 4 is a right side elevation view of the drywall tool holder of the present design.
FIG. 5 is a front elevation view of the drywall tool holder of the present design.
FIG. 6 is a right side elevation view of the drywall tool holder of the present design shown holding a drywall hawk in a cantilevered manner; and,
FIG. 7 is a right side elevation view of the drywall tool holder of the present design shown worn on a person and holding a drywall hawk in a cantilevered manner, a screwdriver in the holder's snap holder.
The broken line showing of environment in the drawings is included for the purpose of illustrating only and forms no part of the claimed design.