The ContactPro® Ring is exclusively engineered of unique memory metal that provides consistent clamping force throughout the lifecycle of the product which helps achieve minimal flash and great contact! This ring is easy to open with a strong grip around the tooth. Its unique shape was designed to allow for great visibility in your working area and better access for light curing. Pair the ContactPro® Ring with the coated or uncoated Smartbands for a snug fit at the gingival margin, the ContactPro® Wedge, and DryTips® for advanced moisture control for a successful Class II Restoration.