Our 7mm pro ring sizer. If you need to measure your fingers you can borrow this item from us for a £40.00 refundable fee. Return the sizer back to us and you get your £40.00. This option is also available to our overseas customers too. The ring sizers must be returned to us in the condition sent and within 2 weeks of delivery for a £40.00 refund. Please note that customers pay the outward and returns postage costs. The band widths are 7mm - perfect for most of the rings on this site. Please note it is your responsibilty to measure your fingers correctly and provide us with the correct size to work to. We cannot be held responsible if you get your size incorrect. We suggest measuring your fingers in the afternoon and other times of the day to.