The #767 is used with the HTR-1 (HTR-1B) and 690XL facer for a facing only option. It is used with headtubes having an inside diameter of 49.8mm (the 1.5” standard).
SHIS terminology: The 767 is used for upper and lower head tubes accepting the ZS49 or EC49 headsets.
NOTE: For sharpening services of cutting tool see Park Tool Sharpening Services. Always use cutting fluid such as Park Tool CF-2 when machining.