10-1/2” diameter. (Same cone as the old QC-4)
Dobro-style spider bridge instruments.
This cone is shaped like the QD-1, but with straight sides with a single lip. Similar size as Dobro cones from the 60s & 70s, but made from Quarterman, J.P.Quarter & Co. It was designed for the 1962-1966 cones and the “Mobro”. Has more of an "Old Time" sound. Made in USA.
Tension Screw not included (see below).
Installation Available, but not included.