Machine description: #7765 NEW GENTEC 8" X 31" 2 FINGER HYDRAULIC THUMB, $1,899.00, #7765 NEW Gentec 8" x 31" 2 Finger Hydraulic Thumb, Fits 6-11k Mini Excavators, We also carry many different Attachme... more info about the Gentech 8" X 31" 2 FINGER HYDRAULIC THUMB.