Image Item No. Description  30159  Magnet Holder Plate 2 x 2 Bottom with Hole Catalog: Parts: Magnet  30159  Magnet Holder Plate 2 x 2 Bottom with Hole Catalog: Parts: Magnet  2609b  Magnet Holder Tile 2 x 2 - Tall Arms with Deep Notch Catalog: Parts: Magnet