Two Types available Contra Angle Buccal ,Lingual, Palatal, or Labial approaches, where a straight holder would be awkward.Straight in some Anterior or straight forward Posterior cases
Both are designed specifically to work well with the Greater Curve Bands .The soft sided design helps accommodate the bands unique shape prevents the bands from migrating during tighteningContra Angle used in hard to reach areas, especially molars,palatial/lingual set ups ,