Handmade bottom cap made by BRAKUL. Used for about 3 months. The material is copper, with a pink gold-like color, and it looks cute as an accent when attached to a silver instrument. Selling due to instrument replacement. Retail price: ¥19,800 The outer circumference uses brass and copper that have been hammered and heat-treated to adjust hardness and acoustics. ・Copper Large Copper is used on the outer circumference. Produces a warm, deep sound like gold brass. Compatible Manufacturers ■YAMAHA ・For normal use (YEP642, etc.)