Compact Hand Calluses Polishing Grip Trainer Round Stone-4cm

Compact Hand Calluses Polishing Grip Trainer Round Stone-4cm Description

Features:
Crafted from Synthetic Resin, our hand callus trainer provides controlled friction.
Designed specifically for hand training, this tool strengthens fingers, palms, and forearms through daily squeezing and rolling exercises, improving grip endurances and pinch power for climbing, weightlifting, and more.
Regular use helps develop thicker, more resilient skin to combat sweaty hands, giving you better control in activities like lifting, climbing, or playing musical instruments.
Features a ball like texture for consistent friction and pressure, stimulating callus formation while ensuring safe contact with your skin.
Compact and light weight, this hand trainer fits easily in pockets or gym bags for discreet use anyplace. Simply wash with soap and water for easily maintenance.

Specifications:
Component: Synthetic Resin
Diameter: 3cm/1.18inch, 4cm/1.57inch, 5cm/1.97inch(Optional)

Package Includes:
1Pc Hand Grip Ball

note:
Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.