Features: 1. The guitar practice tool aims to improve finger's sensitivity and without the environmental restrictions and easy to carry. 2. It allows you to practice and improve your guitar skills anywhere such as: bus, airplanes, the office, school, dinner table where your pocket guitar will fit, but your guitar won't. 3. Its ergonomic design, compact size and lightweight makes it easy to carry and available for you to practice. 4. Ergonomic design guitar neck and steel strings of acoustic guitar, which make a comfortable practice. 5. Play it anywhere to improve your finger dexterity and speed up the progress of guitar skills. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Name: Guitar Practice Tool Material: Plastic, wood, Steel 6 frets: Length: 25.8CM (closed)-45.2CM (opened) Width: 5CM 4 frets: Length: 20.2CM (closed) -34.7CM (opened) Width: 5CM includes: 1 x Guitar Practice Tool 1 x storage bag