It consists of a frame, cutter bar, handles fitted with clutch and brakes, seat for the driver, two drive wheels, one wheel below the seat for steering, crop gathering unit and twine. The cutting unit of this type of reapers may be disc type or cutter bar type. After cutting, the crop is conveyed vertically to the binding mechanism where it is tied by the twine and released to the ground in the form of bundles. Self-propelled walking type models are available but these are not popular due to high cost of twine. Reaper binders are suitable for rice and wheat.