RISEPRO 132LB/60kg Hand Gripper, Hand Strengthener Non-Slip Gripper Hand Exerciser Strength Trainer for Athletes Pianists Kids Adjustable Resistance Set of 4 with 3 Grip Rings HG2060-3R GENUINE 132LB (60KG) VERSION  This newest RISEPRO hand grip is designed for high and intense level up to 132LB (60KG). The spring is made of highly rigid stainless steel which can lift the tension up to 132LB (60KG) subject to +/-5% variance. Each product has been fully tested for proven of 132LB (60KG) spring tension. SET OF 4 HAND EXERCISER KIT  This great value pack included a 44  132LB hand gripper and 3 grip rings (44LB, 88LB and 110LB). A full set of handy equipment for exercising the strength of your arms, hands, fingers and palms. BENEFITS OF HAND EXERCISING  Major advantages include relieve fatigue, develop muscles, promote blood circulation and prevent rheumatism arthritis. Perfect for athletes, rock climber, fitness, crossfit golf, tennis / Sports where your arms strength, coordination and control are required. EASY STRENGTH ADJUSTMENT  With a simple tune on a dial, you can quickly adjust from 44LB to 132LB strength level. You can adjust to the level to match your ability or building your hand strength from low to high resistance depending on your progress. ERGONOMIC DESIGN : One size fit most hands, men and women, seniors and teenagers. It helps musicians including drummers guitar, piano and violin players to improve dexterity, performance and endurance.