It has no magnetism itself and is not a for MagSafe magnetic accessory.
YOSH 3M Sticker Metal Plates Replacement Mount, Plate Kits with Black
YOSH 3M Sticker Metal Plates Replacement Mount, Nicht für MagSafe, Black
4 Pcs Sticker Metal Plates Replacement, Mount Metal Plate Kits with Adhesive
YGKJ 3M Adhesive Metal Plate, 4 Packs Universal Thin Plates Silver
YOSH Metal Plates Replacement Mount Plate Kits with Adhesive for Silver
YOSH for MagSafe Car Mount Air Vent, Magnetic Phone Magsafe, Metal Grey
