Jamar has been the gold standard in hand and grip strength evaluation for over 40 years. Trusted by physical Therapists, occupational Therapists and certified hand Therapists, jamar comes from the original sammons preston family of products. If you are looking for a simple solution, the traditional jamar hand dynamometer with analog gauge provides a cost effective alternative. Used to develop the original normative grip strength data, the jamar can be trusted over lower quality imitators. If AC Not Applicable