◾Suitable Roofing Profiles - Corrugated ◾Size - 14 x 50mm Length ◾Fixing Type - Soft wood Timber battens or Steel battens up to 1.5mm thickness ◾Specifically Designed for Polycarbonate Sheets - Ensures a secure and flexible hold for roofing and cladding panels ◾Cutting Fins for Expansion Holes - Automatically create correctly sized expansion holes and self-centre the screws during installation, reducing risk of sheet damage ◾Technical Details - 14 x 50 Polycarbonate Screws PMT D26