The M-179 Tube Binder bushing is welded across a slit in a tube and slit it self. An allen bolt is installed and the tube can be sinched tight around something. The tapped 10-32 bushing is made from 1/2" RD 4130 steel and measures 0.365" O.D. on one end, and the tapered end is 0.426" O.D., 0.328" counter bore diameter, 0.200" counter bore depth, and length is 3/4". There is a pdf chart that may be downloaded from our website, http://mckinneycorp.com/downloads/pdf/bushing.pdf, that will give you a list of some of the bushings that we carry. Should you not be able to find the bushing that you're looking for, call and we'll be happy to assist you in finding what you need.