Features: The cello wolf tone eliminators effectively suppresses wolf tone, enhancing the cellos sound quality and resonance for a more harmonious performances. Crafted from aluminum alloy, this wolf tone mutes suppressor ensures longevity and consistent performances, while its fine workmanship add elegance to your cello. Perfect for use in concerts, rehearsal rooms, and recording studios, providing reliable performances across various musical environment. Easy to install without affecting the cellos aesthetic, this accessory is a essential addition to any string player tool. Ideal for professional cellists, music students, and enthusiasts seeking to improve their instrument's sound quality. Specifications: Materials: Aluminum Alloy Color: Golden/Silver Package Weight: approx.20g Size: approx.2.4x1.6cm/0.94x0.63in Package Includes: 2Pcs Cello Wolf Tone Eliminators note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!