Abstract: The present invention relates to manually operated device comprising a conical threaded part having in top an aperture for connecting a replaceable threaded screw which is engaged into a saw cut for loosen the guide bar of chain saw stucked into a tree, a cylindrical part having apertures is formed in bottom of the conical part for receiving a power bar having a connecting means at each end for receiving a circular handle member, and a lower part having a flat face with end generally circular is formed in bottom of the cylindrical part, which allows the user to use a crescent wrench if need be.