Sports Accessories
GD Hand Grip Strengthener, Iron Grip Light. 80 Adjustable Hand Gripper (55 to 176 lb) Hand Grips for Strength, Wrist strengtheners Wrist Training Workout
Adjustable resistance from 55lb to 176lb (6 stages adjustable) – 1 stage : 55lb / 2 stage : 79lb / 3 stage : 104lb / 4 stage : 128lb / 5 stage : 152lb / 6 stage : 176lb This is 2017 version! Light weight and reasonable price comparing GD IRON GRIP...
https://www.bizrate.co.uk/sportsaccessories/gd-hand-grip-strengthener-iron-oid9767447202.html