ITEM NAME:Hand Grip Strengthener Workout Kit 3 Pack - Resistance from 22-70 LB - Metal Description: Adjustable 4 Different Levels hand strengthener with 2 silicone Squeezer grippers set for fingers, hands, wrist and forearms strength training Can be easily adjusted to 22LB, 37LB, 55LB and 70LB; Red grip ring is 80Lb and the black ring is 100lbs Comes with a carry mesh bag allows you to train at any time anywhere Take it to office to release your hand fatigue after you use mouse for a long time Great for climbers, weightlifters, athletes, musicians or sports enthusiasts Specification: Material: Steel, Plastic Height: 15cm/5.9 inch; Width: 10cm/3.9 inch Grip Ring Diameter: 8cm/3.1 inch; Thickness: 2cm/0.79 inch Package Includes: 1 Piece Hand Gripper 2 Piece Silicone Grip Ring 1 Piece Mesh Bag Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! SKU: DMO0013533954043820.Adjustable 4 Different Levels hand strengthener with 2 silicone Squeezer grippers set for fingers, hands, wrist and forearms strength training. Can be easily adjusted to 22LB, 37LB, 55LB and 70LB; Red grip ring is 80Lb and the black ring is 100lbs.