(2) MDF 10 BZ BEZEL INCH SPEAKER RING INSIDE DIAMETER -- 9 3/16 INCHES OUTSIDE DIAMETER -- 10 3/4 INCHES CUT OUT DEPTH -- 9/16 CUT OUT WIDTH -- 10 3/16 THICKNESS -- 1 INCH -- BEZEL THICK -- 1/16 BEZEL INSIDE DIAMETER--- 9 1/8 BEZEL OUTSIDE DIAMETER--- 10 1/4 THIS IS FOR (QTY 2) MDF 10 INCH SPEAKER RING INSIDE DIAMETER --- 9 3/16 INCHES OUTSIDE DIAMETER --- 10 3/4 INCHES THICKNESS ---- 1 INCH CUTOUT DEPTH --- 9/16 CUTOUT WIDTH --- 10 3/16 BEZEL ID ---9 1/8 BEZEL OD ---10 1/4 BEZEL --- 1/16 ALL RINGS ARE MACHINED FOR PERFECT ACCURACY PLEASE CONTACT US FOR CUSTOM CUT RINGS & SIZES WE HAVE MULTIPLE MDF RING SIZES & STYLES THESE ARE GREAT FOR BUILDING FIBERGLASS BOXES, CUSTOM SPACERS