this type mould combines Foming and Cutting in the same mould by taking advantage of lower-cost and fast-manufacturing steel rule knife ,which is peferect for smooth trimming hard plastic material like PET and PP . Uused on Machines like rule-steel knife thermoformer LX2417 ,LX3222 ,Gabler Varius , Kiefel KMD-BFS and Illig RDK etc.http://www.lxplastic.com/