Optimal 350

Digs: 12"-14"

Optimal P650

Digs:
450 Blades - 17"
550 Blades - 21"
650 Blades - 26"

Optimal 650

Digs: 20"-26"

Optimal 760

Digs: 22"-30"

Optimal 880

Digs: 28"-36"

Optimal 1100

Digs: 36"-46"

Optimal 1400

Digs: 45"-55"

Optimal 1700

Digs: 55"-65"

Optimal 1800

Digs: 62"-71"