The GRL-10 2-piece set is a versatile solution for your speaker/woofer protection needs; It's made of heavy gauge black mesh steel and comes with a Snap-On grille and a Sure-Lock steel ring designed to fit most 10-inch speakers/woofers
The steel mounting ring has an (8) eight hole mounting pattern that is 9.65 in. (245 mm) from center to center across
GRL-10 can be used for speaker cabinets, home speakers, pro-sound, or car speakers and is not intended for high excursion speakers or subwoofers
Requires 8 flat head tapping screws (not included) for proper mounting
Dimensions - Overall Diameter: 10.47 in. (266 mm); Overall Height: 0.86 in. (22 mm); Diagonal Mounting Hole Pattern CTC: 9.65 in. (245 mm); Screw Hole Diameter: 5 mm; Inner Ring Diameter: 9.11 in. (231.5 mm); Outer Ring Diameter: 10.39 in. (264 mm)