Click any tool type above to see manufacturers of similar tools.This Patented revolutionary device allows the transfer of angles from the required location to the piece being cut whether it is dry wall, plywood, pipefitting, ducting, flooring, or whatever comes to mind. The alternative is taking measurements in occurred positions that often do not provide the desired result. Finally with the advent of this tool a difficult problem becomes a snap, many different trades can benefit from the versatility and flexibility it provides, its built for both the tradesman and the serious do-it-yourselfer.