uxcell Pair Universal 4" Car Speaker Spacer Adapter Bracket Holder Black Product Name : Car Speaker Spacer;Material : Plastic Fit Speaker Diameter : 4";Depth : 11mm/0.4" Inner Diameter : 92mm/3.6";External Diameter : 135mm/5.3" Color : Black;Weight : 58g Package Content : 2 Pcs x Car Speaker Spacers