Alnicov Finger Strengthener,Guitar Beginner Exercier,Hand Grip Strength Trainer for Guitar,Piano,Trigger Finger Training(Grey)

• The new 5-finger button design gives you more practice and a richer fingertip span practice;With 2 brackets included,locking 2 buttons simultaneously,you can choose what you want Any fingers you want to exercise
• Individual finger tension is adjustable,the tension ranges from 3 – 8.5lbs.You can select different tensions for each finger
• The high-quality copper adjusting screw mother made by professional machine tools has passed compression test and has long-lasting elasticity,it is easy and smooth in force adjustment
• Ergonomic design,finger pad positioning layout design is more suitable for fingers,bottom non-slip silicone pad,coated particles have a stronger anti-slip effect
• Extremely portable design,you can carry it in your luggage,pocket,purse,handbag etc.,strength your fingers at any time when you want

Product Description: 1.The new 5-finger button design gives you more practice and a richer fingertip span practice;With 2 brackets included,locking 2 buttons simultaneously,you can choose what you want Any fingers you want to exercise 2.Individual finger tension is adjustable,the tension ranges from 3 – 8.5lbs.You can select different tensions for each finger 3.The high-quality copper adjusting screw mother made by professional machine tools has passed compression test and has long-lasting elasticity,it is easy and smooth in force adjustment 4.Ergonomic design,finger pad positioning layout design is more suitable for fingers,bottom non-slip silicone pad,coated particles have a stronger anti-slip effect 5.Extremely portable design,you can carry it in your luggage,pocket,purse,handbag etc.,strength your fingers at any time when you want Specifications: Product name:Copper core finger force device Number of adjustable key pads:5 Color:Black & Grey Size:4.13*0.90*2.6in/105*23*66mm Strength range:3~8.5 pounds Package Includes: 1 x MFX5 Finger Exerciser with 2 piston locks Note: Strength adjustment:turn clockwise to increase,turn counterclockwise to decrease