Looking for a DonnyFL Tanto 177/.22 1/2"-20 Is like finding hens teeth. Ive always wanted to try 0dB, and now seems to be as good a time as any. It looks like the 110C by 0dB will work, I see the length is obviously 110mm, who knows the outside diameter... ? The Tanto is 1.22" x 5" for comparison.