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The key elements of Cross Slot® openers remain the blades, discs and pressure plates and how they interact in the ♠ soil. The

shown here are of a left hand SP blade (white) and pressure plate (green) fitted to a ♠ standard Mark 4 opener (black and grey). These components are brightly coloured for illustrative purposes.

The main advantages of the new ♠ SP system are:

Lower operating costs

Wearing parts are retrofittable to existing Cross Slot® openers

The blades self-align on the disc