Mold date Inserts of JINHONG MOULD PARTS CO.,LTD. are uniquely designed to provide trouble-free indexing. It is designed for long term use in both plastic and rubber molding environments where heat, mold releases and rubber flash cause other mold date inserts to fail. The features and benefits of mold date inserts are as follows:

  Front removable inserts have a replaceable spring to help keep the inner insert from moving during molding.
  Indexable inserts have “captured spring” in the outer insert and a ball detent on the inner insert to help lock the inner insert in place.
  Arrow functions as adjustment slot
  Easily replace or adjust the inner insert while mold is in the press.

View https://www.jh-mouldparts.com/ to get more information.