ARCHITECT’S & ENGINEER’S SPECIFICATIONS,Round 12-1/2 diameter baffle for 8" speaker shall be Fourjay Model EJ8W. It shall have (4) mounting holeson 9-1/8circle and (4) studs on back to accept most8speakers. The baffle shall be made of ceiling white,UV stabilized, paintable, high impact grade polystyrenethermoplastic. Fasteners furnished; (4) push-on nuts tosecure the speaker, (4) #8 x 1-1/2truss-whiteheadscrews to secure baffle to mounting device