◆Our original product, made in Japan ◆ Suitable for commemorative items or giveaways at recitals and music schools. Personalization available! We can accommodate up to 8 characters. (Please contact us as an additional fee of 3000 yen will apply) ※ This product is not individually packaged. It will be delivered in a bundled state. Colors are an assortment of six colors (red, blue, green, yellow, white, black). We will ensure an even distribution. Individual packaging is not available. We can add a capital English letter logo of up to 8 characters on the tuning key surface (additional option). Because this product is made of plastic, it is not suitable for high-tension tightening. We recommend using it for fine-tuning during tuning and for daily maintenance purposes.