SILVA Art. 059 head tube mill complete with cutter no. 397ALE for 44mm head tubes. Photo show from right to left compression nut, spring, top and bottom headset press cups 415S/L52, tapered head tube cutter aligning cone no. 415S/L51 and the cutter. Finest industrial quality - many tried - none equaled. Tool does double duty as a headset press.
