BUILDS HAND STRENGTH & DEXTERITY: Helps improve grip strength in fingers, hand, and thumb; ideal for therapy, training, and everyday strengthening routines ERGONOMIC ONE-PIECE HANDLE DESIGN: Durable plastic handle shaped for natural grip alignment; supports consistent hand training at home, work, or in clinic settings FOUR COLOR-CODED RESISTANCE BANDS INCLUDED: Includes 4 pairs of interchangeable rubber bands; allows progressive resistance for customized exercises