Model FAPR-8 plaster ring is used to mount Strategy Series 8" speakers into ceilings andwalls for applications where an enclosure cannot be used, or where it is not desired.Unit is constructed with the same internal mounting flange as FA97-8 and FA95-8 enclosures. It may be used to mount non-transformer equipped speaker models into walls having a min. depth of 3 1/2" (SD72-replacement for discontinued model FA118) or 4" (FA138). The FAPR-8 will facilitate installation of transformer-equipped speaker models into walls with a minimum depth of 6 1/2" (SD72 or FA138 measured from the front of the mounting surface to the rear of the inside mounting area).Plaster ring is constructed of galvanized steel. It is equipped with four threaded inserts for speaker installation and three stud receptacles for mounting Strategy Series grilles. The mounting mechanism is comprised of three rotating clamps(included). Cutout dimension 9 3/4".