PARK TOOL - 690-XXL 57MM OVERSIZED FACER FOR HTR-1
The #690-XL is a larger version of the 690 facer for the HTR-1 Head Tube Reamer and Facer. It has a nominal outside diameter of 57mm. It may be used in conjunction with the 788 reamer. It is also used with the 767 Pilot or the 768 Pilot to face only the large diameter headtubes of the "low profile" ZS-type headsets.