The VariGrip Hand and Finger Therapy Exercisers are color coded progressive resistance hand therapy exercisers that are ergonomically designed. The patented design allows the user to adjust the tension for each individual finger, providing a customized workout. The VariGrip Hand and Finger Therapy Exercisers are designed with padded grips for added comfort. Each grip has an extra wide base that is intended to evenly distribute pressure for comfort and improved exercise performance. Each individual finger button is designed with an adjustable tension adjustment dial to provide a smoother, more gradual transition between resistance levels. The VariGrip is a great hand exercise product for use for post-surgery rehabilitation, wrist, forearm or finger injuries, elbow fractures as well as arthritis and carpal tunnel and other impairments. The VariGrip Hand and Finger Therapy Exercisers are available in 5 color coded tension levels: yellow, red, green, blue, & black with resistance levels ranging from extra-light to extra-heavy. Yellow – Extra Light: 1.5-3 lbs Red – Light: 3-5 lbs Green – Medium: 5-7 lbs Blue – Heavy: 7-9 lbs Black/Silver – Extra Heavy: 9-11 lbs VariGrip Hand and Finger Therapy Exercisers Instructions VariGrip Hand and Finger Therapy Exercisers Specifications: Choose resistance: Extra Light, Light, Medium, Heavy, Extra Heavy. Dimensions: 3.5 inches wide, 3.25 inches long, 0.75 inch high. Weighs: 0.5 lbs. Materials: Not made with natural rubber latex. Includes: Instructions with exercises.