![4.25 mm Smoothing Broach](http://perrinwatchparts.com/cdn/shop/files/15-0418-300_300x300.jpg?v=1687464604)
4.25 mm Smoothing Broach 4.25 mm Smoothing Broach is a round tapered finishing broach (reamer) for finishing a hole after using a cutting broach. The maximum diameter of this finishing broach is 4.25 mm, with the working length of the broach being 105 mm. This is a Bergeon Swiss quality product, Stubs size 18.