The NV45AB2M 1-3/4" Roofing Nailer is used for various construction work such as the installation of asphalt roofing shingles and the installation of insulation boards. The NV45AB2 has a side load magazine. When only the best will do for roofing applications, choose the roofing nailer that has been sought after by professionals for decades. California Prop 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov