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: 2.1 Length mm: 30 Material: Austenitic Stainless Steel (A4-316) Colour: Anthracite Grey Head Dia. mm: 6.4Size 30mm - 250 Pieces Timco Polymer Headed Pins - A4 Stainless Steel - Anthracite Grey