Finger gripper strength trainer extensor exerciser finger flexion and extension training device with resistance bandBullet Points:1PROFESSIONALS RECOMMENDED: Hand yoga is being used many international professionals in various fields such as musicians, physical therapist, doctors, and technicians for their healthy hand and finger. 2HIGH GRADE MATERIAL: Finger band is made of silicon with great elasticity and high grade neoprene and strap make the product perfect for anyone 3BEST HAND EXERCISER: You can train fingers individually or together with different tension force applied. 4ERGONOMIC DESIGN: This perfect design leads you maximize motions of range in exercising. Adjustable wristband can be worn by anyone with comfortable fit, regardless of wrist circumference. 5COST EFFECTIVE: Do not have to buy other item for your hand training. You can use it for your right and left hand training both with simple way