Ukulele Tuning Machine Heads 4Pcs Set with Metal Gear for Concert Soprano Tenor Ukulele Description<br> With designed specifically for the Ukulele, this item is well madeof high-grade material for durable and long lasting use. It can greatly improve the sound of your strumming. It is also forother instruments, such as guitar and small 4 string guitar.<br> Feature<br> - Color: As shown.<br> - Material: Alloy.<br> - Size: About. 2.2 * 2.6 * 0.5 cm / 0.87 * 1.02 * 0.20 inch (L * W * H).<br> -Solid plastic and steel plate,giving you a touch.<br> -Beautiful design makes your Ukulele unique.<br> -Will not mark or scratch your Ukulele.<br> -Provides a mellow authentic sound.<br> -Nice for Ukulele, guitar and small 4 string guitar.Package list: 1 * set of 4pcs Ukulele Keys Machine Head Tuners for Ukulele Tuning Pegs