Strengthener with Spring-Loaded, Finger Strength Trainer, Finger-Piston System, Exercise Each Finger, Perfect for Musicians Athletes!

• Colour - multi

• Material - Plastic

• Brand - Regal Shop

• Style - Ball

• Shape - Round

• Manufacturing - ORIGINAL MART

【Durable and high-quality】

【Portable and convenient】

【Strength training for your hands and fingers】