Thank you for viewing. *To prevent any issues, please read the profile before purchasing, and only proceed if you agree to the terms. ・Size: Approximately 19-20 x 15-16mm 　　　　Hole: Approximately 9-10mm (Please consider the above sizes as a reference) ・Quantity: 20 pieces *These are imported products, so the shapes and hole sizes may vary. There may also be scratches or small stains. Please consider the size as approximate. We do not conduct detailed inspections, so please understand and accept the above. Please refrain from purchasing if you are overly concerned about details. Instant purchase OK! *If there are any defects or issues, please contact us before leaving a review.