9PCS Musical instrument accessories: 4 x Nylon Ukulele string & 5 x Ukulele Ivory Slotted Nut Fits for Ukulele Each string of different diameter and is labeled for proper placement Diameter: 4th: 0.63mm; 3rd: 0.95mm; 2nd: 0.76mm; 1st: 0.61mm Color: Ivory+White Material: Plastic+Nylon Ukulele Ivory Slotted Nut: Fit for Ukulele 4 string slots on it Easy to install, convenient to use Made of plastic material, great guitar accessory. Nut (L x W x T): Approx. 35 x 5 x 6.5mm Nylon Ukulele string: This nylon Ukulele string can be used to replace the strings on your old Ukulele. Each string is of different diameter and is conveniently labeled to ensure proper placement. Made of solid nylon, these 4pcs Ukulele string are great accessory for Ukulele lovers. Total Length: Approx. 25 inch / 64 cm Package Contents: 4 x Nylon Ukulele string 5 x Ukulele Ivory Slotted Nut 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.