Image Item No. Description  388c01  Magnet Brick, Modified 4 x 4 Sealed Base Catalog: Parts: Magnet  2607  Magnet Holder 2 x 3 with Clips and Pin Hole Catalog: Parts: Magnet  30159  Magnet Holder Plate 2 x 2 Bottom with Hole Catalog: Parts: Magnet  2609  Magnet Holder Tile 2 x 2 (Undetermined Type) Catalog: Parts: Magnet  2609a  Magnet Holder Tile 2 x 2 - Short Arms Catalog: Parts: Magnet  2609b  Magnet Holder Tile 2 x 2 - Tall Arms with Deep Notch Catalog: Parts: Magnet