Here is an all-in-one product that makes planting a garden easier because it can simultaneously plant and fertilize seeds as well as mark rows. I guess its like "the little garden seeder that could." The chassis is powder coated tubular steel. The wheels are a high strength plastic that are concave and cleated, Together with the side-by-side hoppers, the seeder holds 5 lbs. of fertilizer and 5 lbs. of seed. The mechanism is rear wheel belt driven and it includes 6 seed plates for 31 common variations in seed size.