
G56 Clarinet Bore Measuring Tool
A quick and easy way to measure clarinet bores

The G56 calibrates from both ends.
There are a total of 11 denominations.
Compare the bore of the top joint with the bore of the barrel that you are using
or have just purchased.
If the barrel is smaller, you may want to match the bore to the top joint using
this G107 Precision Barrel Reamer. You may also want to match the bore of
the mouthpiece. We recommend measuring the body side of the barrel first; that way, you can see the
difference when you install the probe into the body. To measure; loosen the set screw
slightly, carefully insert the graduated aluminum probe into the bore, slide the brass housing
down to where it bottoms out in the socket, lightly tighten the set screw and remove
the unit from the bore. The end of the brass housing will be marking where the bore size
is. Just use your G5A or G5B dial calipers or P19 micrometers to measure
the aluminum probe at that point. Write down the size and proceed to measure the
other part.
The G56 Bore Measuring Tool is $77.50+s/h
NOTE: If you already own this G56 tool and want to send it back to be
UpDated to the new spec's "Free of
Charge" and make it work better with the G109 Barrel Reamer; just address it to:
Ferree's Tools - Att: Curtis Ferree - 1477 E. Michigan
Av. - Battle Creek, MICH. 49014

Ferree's Tools-"the most copied tools in the world"
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