PORTER-CABLE RN175B Roofing Nailer The product is Coil Roofing Nailer Easy to use The product is manufactured in China Compact body design is 5-percent lighter for improved balance and control compared to previous model Tool-free adjustable shingle guide for accurate shingle placement Quick-set depth of drive helps prevent shingle damage Quick-set depth of drive helps prevent shingle damage Skid-resistant pads/wear guards for safety and tool protection