3pcs Trumpet Piston Valve Spring Accessories Part

Features:Set of 3 trumpet piston/valve springs.Length is 37.9mm. Diameter is 8.8mm.These are the correct tension springs.Useful and necessary part for replacement.Specifications:Material: CopperColor: SliverItem Size: 2.2 * 2.2 * 0.8cm / 0.8 * 0.8 * 0.3inItem Weight: 2g / 0.07ozPackage Size: 3.8 * 2.6 * 0.8cm / 1.5 * 1 * 0.3inPackage Weight: 3g / 0.1ozPackage List:3 * Spring