A packet of ploughs of Polish manufacture by Unia Grudziądz. The packet includes: Unia Grudziądz U021/1: - 2 ploughs - Working width 0.6 m - Price: 500 $ - Hitch configuration for the spike - Shearer configuration - Colour configuration - Ploughing depth adjustment - Adjustment of the first furrow - More functions available on approach with SimpleIC modification Unia Grudziądz U023/1: - 3 ploughs - Working width 0.9 m - Price: 1050 $ - Hitch configuration for the spike - Shearer configuration - Colour configuration - Ploughing depth adjustment - Adjustment of the first furrow - More functions available on approach with SimpleIC modification Spike: - Price: $200 - Working width: 0.7 metres - colour configuration - Purpose: U021/1 Update 1.1.0.0: - Refreshed U021/1 model - New textures for U021/1 - Refreshed spike model - New spike textures - Plough U021/1 does not turn over from now on - Depth adjustment on U021/1 removed - Added disc slicer configuration in U021/1 - Improvements to the operation of U021/1 - Added effects of earth breaking through the spike - Minor corrections