D'Addario Varigrip Hand Exerciser Mandolin Gig Bag Adjustable from 37 to 62

Adjustable from 37 to 62 inches

Based on vintage greenbacks but rated for much higher power

plus an onboard graphic display that shows the current EQ curve at a glance

Four isolated 9V outputs

It comes with all the software tools you need to get started

D'Addario Varigrip Hand Exerciser Mandolin Gig Bag Adjustable from 37 to 62Designed 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.