msnavigation Home Reviews Posture Download Support Contact Reseller Login Retrieve Password msnavigation msnavigation msnavigation Hand size info Part no: VM4R Credit cards or Avoids forearm twisting for comfort and good health * The patented shape supports your hand in an upright neutral posture that generally avoids forearm twisting. Many users, including medical doctors, ergonomists and physical therapists, said the Evoluent VerticalMouse provides superior comfort and even relieved their wrist pain.* Actual User Comments Comfortable and easy to use The shape is thoughtfully sculpted for uncompr...