Y-21 Guitar Knob Triple Guitar Knob Musical Instrument Guitar Accessories Description: Product Name: Y-21 Folk Guitar Knob Color: gold material: metal Scope of application: acoustic guitar Product net weight: 126.5g Product gross weight: 135g Size before packaging: 12X4X4CM Packing size: 15X11X6CM Selling point: Made of metal material, it is durable and non-deformable. The tight strings and loose strings are easy and smooth. The gear-shaped buckle design is interlocking and the pattern is elegant and generous, adding elegance to your Aegean. Packing list: Guitar knob 1 pair.