-Coupling element with 2 tubes.

-Abutment with rotatable double tube for direct coupling between tomas®-pin and various appliances, e.g. for bi- or unilateral mesialization, distalization, intrusion etc. The tomas®-abutment U-wire (REF 302-025-21) can be used in addition. -Inner ø tube1.55 mm / 61. -Width tube2 x 3.0