Pneumatic 15-Degree Coil Roofing NailerThe Porter Cable RN175C Coil Roofing Nailer is designed with a compact body for better balance and control. This nailer features an adjustable shingle guide and Quick Set depth of drive that allow accurate and less damaging shingle placement. An over molded grip and tool free adjustable exhaust make this nailer more comfortable for extended use. California residents see Prop 65 WARNINGS Compact body design Expanded nail range (3 4 in. to 1 3 4 in. )