Universal and professional insulation fixing pegs are applied in foamed polystyrene and polyurethane panels, composite wall panels and mineral wool. Spiral thread ensures proper fixing in the insulation. The pegs are used for fixing: lamps, casings, signalling devices, detectors, sensors, notice boards, etc. Features / Benefits: quick and easy fixing with the help of simple tools, it is not required to drill a hole earlier or to remove a layer of plaster. It is recommended to use wrench no. 5 to screw in the pegs. Screw diameter 3.5 - 4.5 mm, screw length 30mm+X (X - thickness of the screwed element)