Specification:<br /> Grip strength reading range: 0-130kg<br /> Error range: 1-2kg<br /> Size: 14.5cm x 10.5cm<br /> Weight: 133g<br /> Material: ABS｣ｬ PC｣ｬ sound metal<br /> Color: Grey<br /> <br /> Features:<br /> Comfortable to grip<br /> Easy to use and read<br /> Imported materials<br /> Increase hand strength｣ｬ relax and building muscles<br /> It is good for blood circulation and prevention of rheumatoid<br /> <br /> Package Included:<br /> 1 x hand dynamometer