Grofitness Wrist Strength Exerciser Adjustable Forearm Trainer Arm Strengthener for Bodybuilding

TARGETS THE FOREARMS, WRISTS, & FINGERS? Develop your forearms and wrists with this exercise equipment that?s designed to target the flexor and extensor muscles in your arms. This gym equipment also strengthens the fingers to increase your grip strength
PORTABLE – This ingenious strengthener measures 14.5 inches in length, 8 inches in width, and 6 inches in height. Its compact structure allows you to easily and conveniently store it at home without taking up too much space.
VARIABLE RESISTANCE SYSTEM- This workout gear comes with a variable resistance system that monitors your progress by increasing the resistance toward the concentric phase of the lift, facilitating efficient performance of various arm exercises.