Image Item No. Description By  35649  Tile, Modified 1 x 2 Diamond with Bar Catalog: Parts: Tile, Modified 1  2412  Tile, Modified 1 x 2 Grille (Undetermined Type) Catalog: Parts: Tile, Modified 23  2412b  Tile, Modified 1 x 2 Grille with Bottom Groove Catalog: Parts: Tile, Modified 33  2412a  Tile, Modified 1 x 2 Grille without Bottom Groove Catalog: Parts: Tile, Modified 24  33909  Tile, Modified 2 x 2 with Studs on Edge Catalog: Parts: Tile, Modified 1  22385  Tile, Modified 2 x 3 Pentagonal Catalog: Parts: Tile, Modified 3  6180  Tile, Modified 4 x 6 with Studs on Edges Catalog: Parts: Tile, Modified 4