Stainless Steel, .017x.025, Trueform™ I, T-Loop, Pack of 10 wiresKeyhole Loops and T Loops allow clinicians a choice of designs. These loops make a stainless (or Beta Titanium) archwire a multipurpose treatment adjunct that can achieve various intraoral objectives, often simultaneously. Such objectives can include: Friction free segmented retraction Opening or closing spaces Intruding or extruding anterior teeth Opening or closing the bite Leveling the Curve of Spee Engaging Class I, II, III or up and down elastics