A simple attachment for a reciprocating tool that will effectuate the ability to do a flush cut in an inexpensive and simple manner which is neither' too ligid, nor not rigid enough. This is effectuated by providing an insert, which fits into the reciprocating tool in the same fashion as a regular' blade. The present invention then offsets the placement of a blade, sander, file, or' other 1 tool by as many inches as wished by the user 1. The blade, sander, file, or other tool is held rigid through the use of a 45 degree bracket spanning the distance from the original plane to the offset plane, or via a single or compound trapezoid design.