... with screwsProduce name: Two-wing expansion pipe with screwsModel:CN5059ADia(mm)Length(mm)6356406506606808408508608808100812081351060108010100101151013510160Suitable for: Hardboard, plaster, metal, cinder block, brick, skate ... , planks, floor, wooden roof structure, metal and plastic door and window frame, metal profiles, insulation materials, metal plates, panels and so on.Features ...