For use with the Precision Vacuum Seeder for Paperpot Trays only. 264 small plain holes (not countersunk). Made of precision-machined aluminum. Made in the USA. Crop recommendations from our trials: • Aster • Celosia • Chicory • Chives • Cosmos • Dianthus • Dill • Lavender • Lettuce • Parsley • Stock • Tomato • Zinnia