DescriptionThis is a measuring tool for rings. It can be used to measure the size of your fingers before purchasing a ring. Therefore, it is really a wonderful gadget for choice. Finger size is marked on the measuring strap which is accurate and convenient.Features-Color: As Shown-Material: Plastic -Ring Mandrel Size: 16.00X2.50X1.00cm/6.29X0.98X0.39in. - Each set included: 1pc Ring Mandrel, 1pc US Ring Sizer, 2pcs jewelry polishing cloth.- Wide range of applications: Good accessories for inspection ring size, suitable for wedding rings, ringes, to solve your problem and choose the right ring size. - Lightweight and portable: easy to carry, easy to use. - Made of material, durable and safe to use. - This ruler has a precision scale, which is very suitable for ring size measurement. - Suitable for professional use and personal use.