I needed a metal hood background but I can cut to a recessed jack.
in DIY stores, the funds were either with relief or too thick. La, with 1 mm thick, it is easy to cut with a jigsaw.
if not, well it's a dull steel plate brush, double sided tape are supplied for fixing.
Special mention for delivery announced for 10 days and delivered in 3, 4 days between the click and delivery.