Jamar hydraulic dynamometer with case. 2 pointers. Read in kilos and pounds up to 90kg/200lbs.
 
The JAMAR Hydraulic Hand Dynamometer is designed for routine screening as well as evaluation of hand trauma or diseased hands. 

 
The adjustable handle can be set to five grip positions, from 1.375 to 3.375, in half-inch increments. 
 
This enclosed hydraulic system offers a dual scale readout that shows isometric grip strength from 0 to 200 pounds (90 kg). Includes instructions, standards, patient registration letters, and carrying case