Description::1PROFESSIONALS RECOMMENDED: Hand 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 for anyone3BEST HAND EXERCISER: train fingers individually or together with different tension force applied.4ERGONOMIC DESIGN: 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: have to buy item for your hand training. use it for your right and left hand training both with simple way at any place. tension options: 20lbs,40lbs,60lbs. Grey 20 pounds strength, suitable for early to middle rehabilitation;Blue 40 pounds strength, suitable for mid to late rehabilitation;Black 60 pounds, suitable for men's fitness use;Orange 60 pounds strength, suitable for Hercules fitness use; Description:Hand is designed mainly for rehabilitation and exercise of fingers and overall hand with different tension levels of finger bands. The more the fingers are spread out, the stronger the silicone tensions applied. product can be used for both right and left hand by simply interchanging the product.finger stretcher is ergonomically designed, so it gives comfortable fit with proper adjustment to each individual.It is mainly focused on the fingers and overall part of hand rehabilitation and exercise of muscle. Who needs hand ?/rehabilitation therapist., technicians, etc. who need elaborate manual labor.A musician like pianist, violinist, etc.Oc ations that frequently use computer keyboard such as office workers. Packing List:1*Finger Extensor ExerciserNote:1. Due to manual measurement, there may be a slight tolerance of 1-3cm.2. Due to difference between different mon s, the picture may not reflect the actual color of the item.