Gives users the versatility to complete vinyl siding installation applications with the Roofing Nailer. This tip serves as a replacement for the tip included in each tool purchase. This accessory has�2�prongs that properly align the tool in the vinyl siding nailing slots; the tip creates an offset so that nails�are driven�to the appropriate depth�leaving�a gap between the nail head and the vinyl siding. This innovative accessory is only compatible with the M18 FUEL Coil Roofing Nailer (2909-20).