Image Number 2 for United States Patent #4234111.
A device for threading strings or the like through bores of an anchoring part consisting of a tube detachably secured to a handle with a stylus extending from the handle and being received within the tube. The free tip of the stylus projects beyond the forward end of the tube. The device is inserted within the bore, the handle and stylus are subsequently withdrawn, and the tube remains in the bore. A thread is then inserted in the tube. This is followed by removal of the tube leaving the string threaded within the bore.