Niles NCB8C New Construction Brackets for 8" DS Loudspeakers (pair)

For use with 8" DS/ICS RWC Ceiling-Mount Loudspeakers
Arms are opaque with center marking lines to allow visual adjustment to stud
Arms can be adjusted to 90
Can be stapled or screwed into place
Color-coded for easy reference
Inner Diameter: 10"
Outer Diameter: 11.50"