- Indicated for anchoring elastic in chains, springs, and metal ligature wires to aid treatments that involve retraction, medialization, anchoring, and others. - Made of stainless steel, the MIM manufacturing process which results in precise pieces with an excellent surface finish. - Can be used in archwires up to 0.021" x 0.025". - Attaches to the orthodontic archwire using pliers. - Fixation is better on rectangular archwires because of their size.