Seed Metering Wheel R-12 is designed for planting medium sized seed such as beet, leek, onion, radish and spinach. R-12 has a cell size of 9mm (.35").
12-Cell metering wheels have a spacing range of 2.0" to 5.0"
For use with Clean Seeder AP planter units (yes, it will work with Jang planters).
For the full range of seed metering wheels and seed spacing guide, visit our Clean Seeder AP Seed Wheels page.