SPETLEK Stress Ball - Strengths Injury Rehab & Stress Relief

yellow:15kgorange:20kgRed:25kg MAKE EXERCISE SIMPLE These colorful stress relief balls in three levels of progression (15kg- 25kg- 30 kg resistance) can improve finger and grip strength for athletes (rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis, golf and shooting) and musicians (guitar players, bass players, pianists and violinists). It can also relieve some of the tension and anxiety. REHABILITATION & PREVENTION - Your hands probably will get quite sore from using a keyboard and mouse all day and exercising your hands with these egg shape hand therapy balls can definitely solve the issue! It is perfect for your arthritic hands, to build strength without causing injury or pain. You can also use these to try to overcome a habit of picking at hangnails and cracking my knuckles. | SPETLEK Stress Ball - Strengths Injury Rehab & Stress Relief