The FERI875 
Fits all Factor 8 inch ceiling speakers with a cutout of 9.875"/249mm
Features:
- Sturdy ABS construction
 
 
- Detachable wings (reduces shipping size)
 
 
- Spans 16" or 24" center construction
 
 
- 3/8" drywall lip (protects drywall edge)
 
 
- Easy installation (nail, staple or screw in)
 
 
- Speeds up final speaker installation
 
 
- Fits all Factor Electronics 8" ceiling speakers
 
 
- E-875, E-875X & K-8
 
 
- Sold as each
 
 
- 10 year warranty 
Specification:
- Diameter cutout bracket 10.03" (255mm)
 
 
- Diameter cutout speaker 9.875" (249.5mm)
 
 
- Depth center ring 0.5" (14mm)
 
 
- Thickness wing 0.059"(1.5mm)
 
 
- Wing Length 11.0" (279.4mm)
 
 
- Total bracket length 32.25" (819.15mm)
 
 
- Construction ABS
 
 
- Mounting holes 18 per side
 
 
- Fits speakers E-875, E-875X & K-8
 
 
- Sold each 
- Note: Any resale of Factor Electronics products on third party online platforms will be viewed as unauthorized by Factor Electronics, and will void a product's warranty