3M Smartclip Self Ligating Metal Brackets or Braces are high quality Self Ligating metal brackets from 3M. These are very made from high quality stainless steel material. They are available in Roth and MBT. Slot size available are 0.18 and 0.22.SmartClip SL3 Molar Brackets have small low profile tie-wings for increased treatment flexibility.The Clips in the brackets have more room to flex. Therefore making them more forgiving to wire misalignment, thereby helping to minimize patient discomfort.