Finger Strengthener Tension Adjustable Hand Grip Exerciser Guitar Beginner Trainer for Finger Training (Black)

Color:BlackFeatures: 【BUILD STRENGTH AND DEXTERITY 】Safely and conveniently build strength, endurance, and flexibility and coordination, provides a complete strength training solution for fingers, hands, wrists, and forearms. 【CUSTOMIZED TENSION】Individual finger tension is adjustable, the tension ranges from 4LB to 7LB. You can select different tensions for each finger, providing all-in-one hand fitness. 【COMFORT】Soft design, comfortable pressing, will not hurt your fingers. Durable and long service time. 【PORTABLE】Extremely portable design, you can carry it in your luggage, pocket, purse, handbag etc., strength your fingers at any time when you want. 【SUITABLE FOR】All-in-one hand exerciser specifically design for many musical instruments. Also can be used for finger strength exercise in daily life. Specification: Material: Plastic+ Rubber Optional Color: Black, Light Green Tension Range: 4LB to 7LB Size: Approx.9*7*2cm/ 3.54*2.76*0.79in Packing List: 1 * Finger Strengthener