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The classic Optimal tree spades from Optimal 350 to Optimal 2500 are characterized by the concave shape of their blades. The root ball shape corresponds to the natural root system and thereby promotes regrowth after transplanting.

Optimal 350

Upper Rootball Diameter: 36 cm / 14 inch
Rootball Depth: 30 cm / 12 inch

Optimal 650 O/S

Upper Rootball Diameter: 65 cm / 26 inch
Rootball Depth: 49 cm / 19 inch

Optimal 760

Upper Rootball Diameter: 76 cm / 30 inch
Rootball Depth: 60 cm / 24 inch

Optimal 900

Upper Rootball Diameter: 90 cm / 35 inch
Rootball Depth: 60 cm / 24 inch

Optimal 1100

Upper Rootball Diameter: 114 cm / 45 inch
Rootball Depth: 75 cm / 30 inch

Optimal 1400

Upper Rootball Diameter: 140 cm / 55 inch
Rootball Depth: 90 cm / 35 inch

Optimal 1700

Upper Rootball Diameter: 165 cm / 65 inch
Rootball Depth: 100 cm / 39 inch

Optimal 1800

Upper Rootball Diameter: 180 cm / 71 inch
Rootball Depth: 106 cm / 42 inch

Optimal 2000

Upper Rootball Diameter: 196 cm / 77 inch
Rootball Depth: 126 cm / 50 inch

Optimal 2200

Upper Rootball Diameter: 220 cm / 87 inch
Rootball Depth: 145 cm / 57 inch

Optimal 2500

Upper Rootball Diameter: 250 cm / 98 inch
Rootball Depth: 160 cm / 63 inch