This is a top-of-the-line boxwood chin rest for violin. - Type: Guarneri model for violin - Material: Boxwood - Adjustment: Height adjustable Boxwood, compared to ebony and rosewood, is a lighter wood that floats in water. However, the quality varies greatly depending on the species and origin, ranging from dense, heavy wood to relatively light wood. Boxwood chin rests generally provide a bright, smooth tone and the natural resonance of the instrument. The metal parts show considerable signs of use and may need to be replaced. Please understand that this is a used item before purchasing.