5PCS Musical instrument accessories: 4 x Tuner & 1 x Violin shoulderMade of metal,copper plating screws.Sturdy and durable.Help to keep violin in tune.This item is designed for violin of 3/4 or 4/4 size.Color: BlackMaterial:metal,copper Violin shoulder rest for 3/4 and 4/4 ViolinsComfortable curved shapeSoft foam on the top of the rest to eliminate the neck pains from playingCollapsible rubber feet protect the violin's surface from scratchingFully adjustable for both height and angleThis soft foam shoulder cushion for hours of comfortable violin playing100% Brand NewPackage Contents:4 x Tuner1 x Violin shoulderOnly the above package content, other products are not included.Note: Light 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.