Machine Head Tuners, Strong Metal Guitars Tuning Knob Widely Applicable for Music Learners for Musical Instrument Repairing for Maintenance for Players

Guitar knobs are made of metal, sturdy and durable, semi-closed tuner for acoustic or electric guitar The guitar winder eliminates the need for manual turning of the tuners or removing bridge pins to save time The soft cleaning cloth removes fingerprints, dirt, dust or oil in no time at all without scratches or lint The strings have a standard tension that can provide a full and bright timbre and a beautiful tone Easy to tune, the tuner rotates smoothly and the handle is secure so that the player can tune accurately and easily