Black-This single black holder fits most trumpet mutes and stemware. Made of resilient spring steel and coated in protective PVC for grip and durability the holder fits snuggly on a standard mic stand. Also fits on any vertical half-inch tubing. This single black holder fits most trumpet mutes and stemware. Made of resilient spring steel and coated in protective PVC for grip and durability the holder fits snuggly on a standard mic stand. Also fits on any vertical half-inch tubing.