For one b-ridge pin hole reamer tapered 5-degree 6 fluted guitar woodworker luthier tool
Accurate holes for a better fit! This steel reamers has the properly tapers the holes for b-ridge pins or end pins. These Ultra s-harp reamers are 5-1/2 long, 6 fluted with a T-Handle and comes with soft vinyl handle grips for extra leverage to help keep the holes round.
The 5-degree 6 fluted reamer tapers from approximately 1/8\" to 1/2\", with 3\" fluted cutting length. Made of hardened carbon steel and ground steel edge’s. It works for Vintage-style pins, as well as modern others.