This is an advanced grip strength set. Only purchase this set if you know you have the dedication to increasing your grip strength to an EXPERT level!

It's going to take you a long while to build through the ranks of these grippers. The Black Genie Gripper Level 4 is your tool to gaining strength to complete the level 5 & 6.

Includes:

• Genie Gripper Level 4 | 250lbs Strength | 114kg
• Genie Gripper Level 5 | 300lbs Strength | 136kg
• Genie Gripper Level 6 | 350lbs Strength | 159kg