This is used for isometric exercise. It through a flexible elliptical metallic strip. The whole apparatus can conveniently be held within the palm and when compressed, metallic strip offers a great deal of resistance to compression. The handle is adjustable to fit the grip length of the hand. This hand dynamometer measures grip strength up to 50 Kg. in 100 grams graduations. A graduated pressure scale is also provided between the bars for direct estimation of compression force.