Buy the ring sizer for £1.50 and when ordering jewellery 50 from your purchase from us. Need to work out your ring size? The Multisizer works like a belt. Simply push the end through the buckle to form a ring shape. Slip the Multisizer onto your finger. Adjust to give a comfortable fit, checking that it just slips back over the knuckle. When best fit is achieved, read off size indicated by the arrow.