Applicable crowd: rehabilitation training for people with wrist injury and hand function problemsMiddle aged and old people exercise. (For adults and children over 7 years old)Product strength: the strength can be adjustedTraining requires a certain degree of wrist strength, which should be used in the middle and late of rehabilitation.Product name: Wrist (Torsion)Product weight: 200gProduct size: 26 x 4.8 x 10cm (manual measurement)Material: ABS plastic, rubbercolour: blue+yellowPackage Contents:1 x Wrist force device1 x Spare rubber bandOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.