Designed with musicians and athletes in mind, full hand/finger strengthener. Performance upgrated and verified

This patented device effectively challenges each finger individually using comfortable grips with spring-loaded finger piston technology for maximum flexibility.

Resistance of each finger can set individually- The working principle is to use pulling rope and spring to adjust different strength of each finger at different distance. Adjustable distance from 3.14''(80mm) to 5.78''(147mm), adjustable strength from 0.68lb (1.5kg) to 6.89lb (15.2kg) .

Awesome for both athlete and musical players- It is great for anyone who''s into jiu jitsu, judo, rock climbing, lifting, grappling or any other sports where good grip strength/endurance is required, but also useful for musical instruments players(e.g., piano, violin, guitar, etc.) and the likes. Or even if you are just looking to improve and condition hand strength, give it to go.

Dimensions: 15.47x 7.68 x 0.7087 inches (39.30 x 19.5 x 1.8cm)

Technical Details

Product Details

Package Dimensions
Width : 8.11 inch
Height : 0.79 inch
Length : 16.42 inch

Shipping Weight: 1.32 pounds (View shipping rates and policies)

ASIN : B071LDYKWL