Bohning's T Nock is great for wood, fiberglass, and swedged aluminum arrows.

It's available in 9/32", 5/16", and 11/32".

The 9/32" throat size is .115" (2.92mm) and it weighs an average of 8 grains.

The 5/16" throat size is .115" (2.92mm) and it weighs an average of 14 grains.

The 11/32" throat size is .105" (2.67mm) and it weighs an average of 15 grains.

Proudly manufactured at the Bohning Factory in Lake City, Michigan, United States.