It measures 21 inches from one end to the other. It takes .063 chain. My old 1/2 pitch .063 fits in it perfect. I cannot find any numbers on it. Thanks for any help. Tom
Otherwise, navigate to the Oregon chain Professional website. Under 'Products' drop down to their 'Forestry and OEP' catalog, and click to pages FOR138 - FOR144
There are tail silhouettes and measurements for most (current) bars there.
That's the old Oregon F014 large frame Homelite mount. Fits the EZ, EZ6, 7-19, 7-21, Zip, Wiz, C-Series, XP-series, 1050/1130, 2000/2100/3100G, 600D, etc.