NEVER mix up your Stone Blank or Polish Tape Blank! Find Out Why Here | EdgeProinc.com

Find out why you should NEVER mix up your stone blanks with polish tape blanks, to get the sharpest edge possible on your knife blade. www.edgeproinc.com/Videos.html - This video will tell you which one you need, and why.

[@cynot71]

You might want to have a talk with the other guy who did the video on "Edge Pro & Angle Cubes - Ontario Rat 3 (example)". Tell him the differences in thickness can change the angle if he doesn't use a angle gauge to set the right angle.
J/K! Unless you really want to.

[@GravityRoller]

Or better yet, use a Drill Collar Stop to compensate for varied stone thicknesses ;-)