... 50/160 Two-wing expansion pipe with screwsProduce name: Two-wing expansion pipe with screwsModel:CN5059ADia(mm)Length(mm) ... plastic,tile,glass,andconcreteScope of application: Wood, planks, floor, wooden roof structure, metal and plastic door and window frame, ... the installation, ensuring a very high compressive strength.Wooden structure fastening: with countersunk head screws. Two-wing expansion pipe ...