Product Included: You will receive 1 piece of guitar aid chords trainer. It measures about 5.51x3.94x1.38in/14x10x3.5cm, portable size to be put into your bag and carry anywhere, convenient for practicing guitar anytime. | Reliable Material: Made of good quality plastic material, guitar chord learning system is not easy to break or deform, solid and reliable, which can serve you for a long time. | No Finger Pain:Our guitar aid chord tool is designed for people who want to learn playing guitar but afraid of finger pain and complicated chords. It can help guitar freshers mater the basic guitar chord without finger pain in a short time. | Easy to Use: Simply clip the guitar chord presser trainer on your guitar neck then you can practice guitar directly. Its Installation and disassemble are both very easy, not taking up much time. | Practical Application: The guitar assisted tool is an essential guitar accessory for guitar freshers. With it, you can learn to play the guitar faster without finger pains and enhance your accuracy of chords pressing.