2 6.5" - 6.75" CAR STEREO AUDIO SPEAKER SPACER MOUNTS 1/2" DEPTH RING ADAPTER - Walmart.com
2 Pack White Plastic 1" Depth Ring Adapter Spacer for 5.25 "- 6" Car S – JSP Manufacturing
2" STACKED) JL Audio 8.8" Marine M Series (Pair) Boat Speaker Spacer Rings King Starboard
2pcs Black 6.5 Inch Car Speaker Mounting Spacer Adaptor Rings For Vw Magotan Skoda Durable Hard Plastic Construction - Switches & Relays - AliExpress
2pcs Univeral Aluminum Alloy 6.5inch Speaker Adapters Mount Speakers Spacers Pad Adapter Plates Bracket Ring Mat Car Refit 6.5'' - Speaker Mounts - AliExpress