Item Features:This string set includes 4pcs strings, fit for 4 string bass. It is made of steel which is very solid and durable. Great replacement for your broken, dirty or old guitar strings. Sure to make your guitar look great again! Description: 40pcs steel strings.Compatible with 4 string bass guitar Diameter of String: Approx. 0.1 inch, 0.08 inch, 0.055 inch, 0.04 inch (2.5mm, 2mm, 1.4mm, 1mm).Good tools to replace your guitar string, good gift for guitar beginner Each string is individually packaged in its own bag Color: silver Material: Stainless steel Lenght: 97-103mm The product is , never used and in good conditon, just go ahead and buy! Package Contents: 10 set of Bass Strings （4Pcs） Only the above package content, other products are not included. Note: Light reflection 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.