LDS Bookstore Silver Open Shield CTR Ring The ring is made of durable stainless steel and has a beautiful silver finish. This modern CTR ring is perfect for women of all ages looking to express their faith in a fashionable way. From young women to sister missionaries to your leaders at Church, this ring makes a perfect gift for others and for yourself. Shield dimensions: 7.5 x 7.5mm Band width: 1.7mm