Adjustable finger grip trainer

Get yourself an adjustable finger grip trainer:

• Easy to use
• Good for your grip and fingers
• Can do progressive overload
• Increase grip and finger strength

Product information: 
Applicable scenarios: fitness equipment, health massage, sports trend
Color: single black, single gray, two packages
Specification: 15*10 * 1.5cm
Material: Silicone
Applicable object: general