FIG. 1 is a front elevation view of a sheath for a tile, linoleum and carpet knife, showing my new design, the broken line showing of the knife handle is for illustrative purposes only and forms no part of claimed design;
FIG. 2 is a rear elevation thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a left side view thereof.