The pro seeder works by creating a vacuum to pick up and hold seeds on its tip for easy planting. It makes sowing tiny seeds easy and helps reduce seed wastage. The hand held pro seeder uses the same technology as commercial seeding machines. It includes three different sized color coded needle tips to sow seeds of all shapes and sizes. Designed by a leading seeder machine manufacturer. Eliminates seed wastage and time thinning out. Measures 4-1/2-inch length by 2-1/2-inch width.