Easy to use kit including staple gun and staples designed for fastening of insulation materials and plastic foil as well as other roofing applications. The choice of DIY and home users seeking superior quality solutions, this kit offers high performance levels, a long working life and the capacity to be used regularly and intensively. 2-step force adjuster can be set to reflect different types of material and the length of staple being used. Delivered with flatwire staples specifically designed for insulation material where high levels of fastening are demanded.