Features:3.Suitable for trombone marching clips.4.The clip has a moderate tightness and can be opened to a width of about 0.31 inches or 8mm without scratching the instrument.5.The tightness of the clip is related to the thickness of the music stand. If your instrument is thin and you want the music score clamp to be tighter, adding a paper shell of appropriate thickness to the clamping position will have the perfect effect.6.The material is copper electroplating, the appearance is bright, beautiful and practical, very strong and has a long service life.7.Exquisite workmanship, compact and lightweight, easy to carry, convenient and practical.Specifications:Material: Gold plated copperColor: GoldenBrand name: BQLZRSize:Length: 115mm/4.53inchWidth: 84mm/3.31inchHeight: 38mm/1.5inchWeight: 101 gPackage include:1 x Trombone Marching Lyre Clamp On Clip1 x Storage Bag1 x Swab