Shop with confidence and avoid exchanges with this Ring Sizer. This easy to use ring sizer works like a belt. Simply push the end through the buckle to form a ring shape and use it to measure your desired finger. Make sure the fit is comfortable and that you can slip the belt on and off over your knuckle. The arrow on the buckle will indicate which size will fit you best. If only purchasing the ring sizer, use code ringsizer at checkout for free shipping.