Piano Finger Trainer Guitar Practice Finger Strength Device Finger Grip Device Guzheng Finger Practice Device STRENGTHEN YOUR, INDIVIDUALLY! ISOLATE AND EXERCISE EACH OF YOUR WITH THE TENSION FINGER GRIP EXERCISER! AND MAINTAIN STRONG HANDS! ALL-AROUND HAND EXERCISER：Build up muscle, mobility, coordination, and dexterity. Increase circulation for better control and results. GRIP CAPACITY：Customize the tension for each finger, unlike other tools that uses the other weak to strengthen just finger. favoring and strengthen them all! GRIP CAPACIT:Customize the tension for each finger, unlike other tools that uses the other weak to strengthen just finger. favoring and strengthen them all! USER-FRIENDLY BUILD:Carefully constructed from ABS plastic, stainless steel springs, and rubber. Soft molded finger pads with an extra-wide base makes it comfortable to press. PORTABLE FINGER WORKOUT TOOL:Condition, maintain, and strengthen your while doing whatever you're doing! Extremely portable design lets you carry it in your luggage, pocket, purse, handbag and more. Watch, dance, and sing while exercising your with this tool! Be productive even while you're idling around. This is also perfect for people with. PERFECT FOR ANY MUSICIANS!Improve piano or wind instrument playing speed! It also works for writers, gymnasts, jobs that involve typing, rock-climbers, and more. Users can also use this as a hand tool for rehabilitation and recovery. GET ENHANCED FINGER STRENGTH AND SPEED! a habit to start using this Tension Finger Grip Exerciser NOW! PRODUCT SPECIFICATION Material: ABS, Rubber, Stainless Steel Spring Size: 9 x 7 x 2.2cm Available Color: Black Package Inclusion/s: 1pc. Tension Finger Grip Exerciser