•Material: Stainless steel

•Optional:

-16*22

-17*25

-19*25

-Package: 10Pcs/Bag

[Feature]:*It can adhere to the lingual or buccal surfaces of the teeth when the initial position makes it difficult to attach other attachments, as a fulcrum to apply force;

*Can be used with aligners or brackets;

*Universal design allows for use on both the upper and lower arch;

*Basic concave anatomical curvature with double mesiodistal and cervico-occlusal curvature of the radius at the base of gluing.