Foam Anchor Long (41mm total, 33mm inside the foam) plus a Companion Mount. Epoxy coated Neodymium magnet and stainless steel backplate.  The Foam Anchor's Companion Mount consists of a stainless steel badge of 45x30mm and the 3M double sided tape sticker. Suitable for installations on wood, fiberglas, plastic etc. Before installation, make sure all surfaces are clean and free of oil, grease or dirt.

FoamAnchor Long with Companion Mount & Tape