The Gripmaster Strength and Rehabilitation Grips provide finger, hand and wrist exercises that promote coordination. Each finger can work independently. The ergonomic shape of the handle fits perfectly to the palm of the hand.
5 resistances: ultra-soft (yellow) force 0.7 kg, soft (red) force 1.4 kg, medium (green) force 2.3 kg, firm (blue) force 3.2 kg, extra-firm (black) force 4.1 kg.