100 percent brand new and high qualityProduct Name: Bass TunersColor: black or silverMaterial: metalScope of application: BassSize:58x33mmQuantity:4 pcsFeature:Using 16:1 precision design, the hand feels smooth without jamming or voids when winding, and every bite is solid and does not slip, ensuring intonation. The appearance of the components is treated with cold spray paint and electroplating to prevent oxidation and rust.1. For special pianos whose headstock thickness is thinner than 15.5mm, the fishtail fully enclosed chord nut cannot be fully screwed to the bottom.2. Each tuner includes 1 hexagon nut washer and 1 screw.Note:1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images.2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only.4.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more .Package Included:4 pcs Bass Tuners