The FEI CanDo VariGrip
Hand exerciser that allows resistance for each finger to be individually adjusted using the "thumb screw." Palm rest doubles as "full-hand" topper. There are soft finger pads and palm rest. The CanDo® VariGrip® is great for post-surgery rehab. There are 5 base resistances available, and each base resitance can be modified per finger.
Manufacturer Fabrication Enterprises