Pipe Clip Tacker Gun - NEW Model This pipe tacker gun is used to fix 40mm, 50mm, 60mm pipe staples that fix underfloor heating pipes into the insulation layer. Pipe Clip Installation Gun (Multi Clip) For installation of clips onto insulation boards such as Kingspan and Celotex. Specifically designed to improve fitter efficiency and comfort as well as dramatically speeding up installation. Clips are loaded into the gun and simply installed from a standing position Ideal for use with our High grip barbed pipe clips Light and functional design made of plastic/metal alloy, an ergonomic handle that fits human hand, manufactured with precision, guarantees clips to be precisely placed into insulating layer.