Hi Russell: Here's a video using a vibratory cutter with the square blade to install a = telephone jack in a Sheetrock wall. https://www.youtube.com/watch?v=3DALfAKaghVEY --=20 Have Fun, Brooke Clarke http://www.PRC68.com http://www.end2partygovernment.com/2012Issues.html The lesser of evils is still evil. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .