D'Addario Varigrip Hand Exerciser Other Stringed Instruments the compact Canyon features a

the compact Canyon features a collection of awe-inspiring effects

Copper Tin ratio of 80/20

6DC200mA PSU

2-3/16" string spacing

Dr Scientist The Elements features:

D'Addario Varigrip Hand Exerciser Other Stringed Instruments the compact Canyon features aDesigned to develop and maintain the strength and dexterity of your fingers, hands, and forearms, the D'Addario Varigrip features an ergonomic design and variable tension that is customizable for each individual finger. The reversible molded grip even uncovers simulated strings to help develop and maintain finger calluses when you are away from your instrument. The ultimate conditioning tool for musicians.