FIG. 1 is a side view of the surgical tool blade holder, the opposite side view being a mirror image;

FIG. 2 is a top view thereof, the bottom view being a mirror image;

FIG. 3 is a front end view thereof; and,

FIG. 4 is a rear end view thereof.

The broken line showing in FIGS. 1 through 4 is for illustrative purposes only and forms no part of the claimed design.