Virtual Fit by TwoBirch: Kit To Guarantee the"Perfect Fit" Ring Enhancer via a Virtual Fit Once you purchase this kit, we will mail you a ring sizer and clear millimeter ruler with complete instructions. Once you receive the kit, simply email us images and our jewelers will replicate an outline of your ring. Our jewelers will then email you images of your ring outline with our designs. There is no obligation to buy, but this is a great way to 'try' before you buy a TwoBirch ring. Once we receive your images, please allow 5 to 7 business days for us to send you our recommendations. Contact us with any questions