HR-32C4 Rim Inner Diameter: 17.48mm Throat Diameter: 3.98mm Features: This model has a larger rim inner diameter than the 30C4, allowing for a large volume of sound. It has a relatively flat rim of moderate thickness, and articulation is particularly good. Standard Series Price: ¥6,380 (tax included) Please check the photos for details. Accessories such as the box are not included. Please understand that this is a used item before purchasing.