Set of 6 – Ideal for the home gardener! Simply make a furrow using the end of the guide, lay it down, and slide your seeds along the guide. They will fall into the pre-drilled holes for perfect spacing and reducing waste. Practically no thinning of seedlings required. The set of 6 planting guides is designed for use with corn, beans, peas, beets, spinach, radish, chard, carrots, celery, lettuce, onions, and more! Each measures between 21-23 inches in length!