Impact and UV resistant A4 Stainless Steel polymer headed nails. Used for fixing soffits, fascias, roofline trims and where other aesthetic fixings are required. UV Stable Impact resistant" Shank Dia. mm: 3.2 Length mm: 50 Material: Austenitic Stainless Steel (A4-316) Colour: White Head Dia. mm: 12.0Size 50mm - 100 Pieces Timco Polymer Headed Nails - A4 Stainless Steel - White