9-1/2” diameter.
This cone replaces old & new National-style guitar cones from the 1920s to present day. Will fit most old or new Duolian and Triolian metal or wood body resonator guitars. (biscuit bridge not included)
Patent Design 1929 - No. 1,808,756. Made in USA.

Shipping & Handling costs include: Special fragile packing & insurance

Installation Available, but not included