Works with both cutting wheel positions (standard interior and flush-cut exterior)</br>Measure once?? cut twice to double the depth of cut of the Saw-Max</br>Double guide fence to complete top and bottom cut</br>Integrated clams to help grip work piece</br>Fits over 2 x 4 lumber</br></br>Product Description</br></br>Quickly make confident?? precise cuts to get through a 2 x 4 with the 2x4 Cutting Guide attachment SM842 and the Saw-Max.</br><br/>http://www.amazon.com/gp/product/B005JRJGL8