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Encoder wheel for seeder,

Depending on the material and the shrinkage of the material when the filament cools, the tolerances of the internal diameter of the wheel may vary.

wheel code: 4 digits, 1-23-4,

    1 seed cavity diameter,
    2.3 number of cavity, example: 30
    4 cavity depth.

Refer to the catalog for your seeder to identify the wheel suitable for the type of seed.

There is no reference to designate a row or two rows of cavities.