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• Hand Grip Finger Trainer Strengthener Adjustable Power Training Home Fitness Equipment Piano Guitar Finger Exerciser Trainers ABOUT THIS ITEM 🎨 Small and exquisite, lightweight and portable, smooth to carry 🎨 The precise constitution design permits the product to have a higher high quality limit, fending off the button injury attributable to the moment striking of the button spring 🎨 The use of pure copper nut and screw core design vastly improves the smoothness of the operation, rapid and accurate, and extra physically powerful 🎨 The finger power can be adjusted to satisfy the needs of diverse finger energy exercises 🎨 Widely used for finger activity when you play guitar, piano, bass, ukulele, saxophone, violin or orchestral instruments SPECIFICATION Name: Finger Trainer with Adjustable Span Color: Gray, Orange Material: ABS + Metal Strength: adjustable 3-8 LBS Size: approx 105x66x23mm Adjustment power of pure copper inside core (increase the energy clockwise, lower the energy counterclockwise) PACKING LIST 1 x Finger Exerciser NOTE Light taking pictures and assorted displays can cause the colour of the article in the photograph to be barely different from the real item The allowable measurement error is +/- 1-2cm

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