Maximum Loading Per Fixing: 160 mm Safe Working Load: 80 mm Hole Cut Out Diameter: 20 mm features: Brown type 20-2 plasterboard fixing Ideal for the installation of bathroom fittings, radiators, water heaters and cabinets The unique design is suitable for standard, double-thickness and foam backed boards 2.5mm Cavity Protrusion Supports Heavy Loads Suitable for Dot and Dab Wall Constructions Prevents Vapour Barrier Damage Fixings Hold Position Reusable Supplied with M6 x 30 mm hexagon head bolt Pack of 4 fixings