Product Description Cheese Groove Design – The outer ring mimics cheese grooves, enhancing the hand feel and adding an interesting texture for a more engaging experience.Minimalistic & Functional – With its simple, clean design, the CHIZ Ring offers dense clicks and a subtle ‘ding’ sound, delivering satisfying auditory feedback.DIY Friendly – The product includes a precise testing mechanism, and the inner ring can be unscrewed if you wish to DIY or adjust.Portable & Convenient – Play with the CHIZ Ring anytime and anywhere—no accessories required.Easy Maintenance – If the thread becomes loose, simply tighten it clockwise to restore functionality. Specifications Brand: GAO STUDIOWeight: Brass: POM: 27.5gSize: Outer ring: Φ37.5mm, Inner ring: Φ18mm