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】