![Bergeon Reamer 8.47 mm (10444272783)](http://perrinwatchparts.com/cdn/shop/products/64.6200-23-600_600x600.jpg?v=1595350534)
Reamer 8.47 mm Bergeon is a replacement reamer which is inserted into the center shaft of the Bergeon bushing tool. Reamers cut into the plates of the clock, creating a hole to accept the appropriate sized Bergeon bushing. To be used with both bronze and brass bushings with an outside diameter of 8.50 mm.