
This item is just a piece of flat molded plastic. I installed a Sony Double Din in my van and there was about 1/8 inch clearance around it. After cutting the rod in half, I slipped it over the radio. It has enough interference to stay securely on the device without glue, screws, etc. The product is very narrow, so if you need to cover more than 1/4 inch, use a wider trim ring. It looks great in my setup.

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