1 pcs Bass Tuner Peg & 4 pcs String It helps you to produce a vibrant and articulate tone. The steel is plated with nickel, rust protection and durable. String gauges: .045, .060, .075, .090. The ratio is 1:21. You can tune your bass precisely. The gear is bronze material plated with Chrome/Nickel. The chrome plating has passed 48 hours salty spray test. And you will not see any bubble on the surface. Absolutely the best choice for your beloved Bass Compatible with electric bass With heavy duty internal gear Type: Right Color: silver Material: steel & Steel+Nickel String: Gauge: G-1st/.045/1.143mm; D-2nd/.060/1.524mm; A-3rd/.075/1.905mm; E-4th/.090/2.286mm Package Contents: 1 x Bass Tuner Peg 4 x String Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.