[Features]: Color: Blue, Black; Wire Buckle Outer Diameter: 58mm/2.28 inches; Number of ring sizer: 33; Finger Size Adjuster Length: 11.5cm/4.53 inches; Finger Size Adjuster Width: 1cm/0.39 inches [Ring Sizer Material]:The ring sizer is made of ABS, clearly marked with HK1-33, elegant appearance, durable and does not rust, suitable for different fingers. [Finger Size Adjuster Material]:The finger size adjuster is made of rubber and marked with HK1-33, the finger size gauge belt is designed for precise measurement, portable and easy to use, just adjust around the finger like a belt. [Easy Use and Carry]:Find the suitable ring sizer and put it into the finger you want to measure, the detachable design allows you to bring the right ring sizer to the store to ensure you get the right size ring. [Applications]:This ring size measurement tool makes it easy for you to know the size you need to give the right size ring as a gift to the person you want to give.