Color: Silver Inner Diameter: 12mm Total Length: Approximately 26mm *Please refrain from price negotiations. *Although new, this item has been stored at home. Please purchase only if you understand this. *Also listed on other flea market apps, so it may be removed without notice. Thank you for your understanding. #HandmadeParts #Koki (likely a type of clasp or connector) #LeadParts (for dog leashes, etc.)