Product description1. Ergonomically designed finger trainer guitar, ideal compatible athletes and musicians. Provides a comprehensive strength training solution to develop and maintain strength and flexibility in the fingers, hands, wrists and compatibleearms. Promotes finger strength, dexterity, coordination and speed.2. High-quality finger trainer guitar with strong structure The finger trainer adopts high-quality high-quality spring, soft silicone handle and button cap, comcompatibletable to hold, easy to operate, does not hurt fingers, finger trainer professional durable treatment longer life than others .3. Adjustable Tension compatible Single Finger Climbing Hand Trainer The Finger Climbing Trainer provides custom adjustment of resistance compatible single finger and per finger to meet all your training needs and an all-in-one safe hand hygiene department.4. Extremely portable finger training piano design, easy to carry. You can put it in your luggage, bag, purse, purse and more. The slim size allows you to fit everything in the palm of your hand compatible easy portability and exercise your fingers anytime, anywhere.5. Ergonomic Design: Equipped with ergonomic handles, these hand trainers provide you with personalized finger, whole hand, wrist and compatibleearm adjustments, safe and convenient to use. Everything is in the palm of your hand, easy to carry around, exercise your fingers anytime, anywhere.Product material: PP+TPRProduct color: grayProduct size: 9*7.5*2.2cmNote:1. Please allow a little error due to manual measurement. Please make sure you don't mind becompatiblee bidding.2. The color may vary due to different monitors, please understand.Note:Hello, please pay attention to your delivery address when purchasing products. If your receiving incompatiblemation (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)