This item is GUN, PNEU 1-3/4" ROOF NAILER 21163. This product is used for power-finish-nailers. This product manufacture by Taiwan.
From the Manufacturer
R175RNA 21163 Coil Roofing Nailer features straight drive to enhance drive quality and roof quality. Replaceable nosepiece with carbide inserts for easy maintenance and to extend tool life. EZ load feature with offset magazine for quick reloading. Tool-free shingle guide adjustment for precise placement of shingles. Specifications: Fastener Type: coil roofing nails, Fastener Diameters: .120-Inch, Fastener range 3/4-Inch - 1 3/4-Inch, Collation: 15 degree-wire collated, Magazine Capacity: 120 nails, Weight 5 lbs., Length by Height 10-1/4-Inch - 10-5/8-Inch, Drives nails 3/4-Inch - 1-3/4 -Inch long, 0.120-Inch diameter. Includes R175RNA roofing nailer, case, oil, eye protection, 1 wrench and operator's manual.