Flanger FA-10P Piano Finger Trainer Exerciser Hand Grip Guitar Finger Correctors Sensitivity Strength Power Practice Training Tools for Beginner Feature: 1. Environmental protection material selection, the intensity can be adjusted, clockwise to increase the intensity, counterclockwise to reduce the intensity, to meet the needs of all age groups. 2. The end elastic non-slip soft pad is detachable, and it is comfortable to grip, which is very helpful for the consolidation of finger strength and the rapid development. 3. Soft silicone, the fingers fit exactly when pressed, and the hand feels comfortable. 4. The streamlined design conforms to the shape of the hand and feels comfortable. The fingers can quickly and naturally adapt to its strength, which can fully reduce the damage of the finger and wrist joints. Specification: Brand: Flanger Model: FA-10P Item: Finger Trainer Color: Pink, White, Blue, Green, Black Material: ABS, silicone Strength: 2.5-6 pounds Telescopic: telescopic range 80-100mm Function: Practice finger strength, speed, flexibility, and coordination between fingers Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement.