200mm Stainless Steel Roofing Bolt, for fixing to roof rafter.
1 x A2 Stainless Steel Bolt M8& M10, 200mm Long
1 x Solid Neoprene Seal 25mm
3 x M8 & M10 Stainless Steel Washer Nut for fixing the solar collector.
The wood screw section features an extra deep screw thread for secure fixing and an extended 100mm M8 &M10 threaded section for collector positioning.