h3. Classes 10-20

* Hydraulic action for versatile thumb positioning
* Low profile thumb storage for better visibility
* Grease Zerks recessed for protection from the elements
* Lock-back bracket for Hydraulic cylinder safety
* Multiple T-1 Steel fingers for rugged construction and a longer wear life
* Larger bolt diameter for thumb pin retention

h3. Classes 25-120

* Hydraulic action for versatile thumb positioning
* Low profile thumb storage for better visibility
* Heavy-Duty Hydraulic Cylinder with threaded six bolt reinforcement
* Spherical Bearings in Hydraulic Cylinder
* Grease Zerks recessed for protection from the elements
* Lock-back bracket for Hydraulic cylinder safety
* Thick-Wall tubing for multiple finger placement
* Multiple T-1 Steel fingers for rugged construction and a longer wear life
* Larger bolt diameter for thumb pin retention
* Press-In Bushings