Choose the fastening job
NR90AES1 addresses framing and sheathing, a gap that a trim nailer cannot fill. Metabo HPT documents 21-degree plastic-collated nails from two to three-and-a-half inches and a specified diameter range. The job's fastening schedule governs selection. A nail being long enough to fit the magazine does not establish its suitability for a connector, treated timber or exterior assembly.
Controls and alternatives
This is a pneumatic tool, so compare the air supply and hose route with the crew's work rather than with a cordless body alone. The maker lists a 70-to-120 PSI operating range and tool-less depth adjustment. Use the manufacturer's setup instructions and the permitted actuation method. A published weight or trade award is not our assessment of fatigue, safety performance or long-term durability.
Build the complete fixing kit
Buy personally only when the responsibility for framing equipment is clear. Include the correct collation, shank, coating and head requirements in the consumable budget; those are different questions from the gun brand. Finish work still needs another fastener format. The manufacturer does not list dry-fire lockout on this model, a practical difference worth understanding before comparing it with another framing nailer.