High quality rebuild kit for your E61 based machine. Suits many types and has the more extensive range of parts that includes the following High quality 8.5mm group sea made ofl silicone Ims style stainless steel screen 0.6mm jet / injector Stainless filter mesh for jet 2x different but most common infusion o rings to suit most e61 types 3x viton valve seals 2x lever seals 1x steam wand tip o ring 24gram high quality basket to suit most handles and especially well suited to naked portafilters. All Italian made parts Tap kits available separately. Any technical questions feel free to ask