The NR83A5 Full Round Head Framing Nailer with Depth Adjustment is used for floor and wall framing, truss build-up, window build-up, construction of subflooring and roof decking. This nailer is also great for wall sheathing in mobile homes and modular home construction. If depth adjustment is not necessary, see the NR83A5(S). The NR83A5 is like the original NR83A that you have come to trust, but now with an improved trigger design and sharing all the same internal parts as the original NR83A. The NR83A5 relies on the same cylinder valve drive system as the NR83A, which offers both rapid response and great driving power. TECHNOLOGY: Experience quick response and rapid, powerful driving with the Metabo HPT cylinder valve drive mechanism AWARD: Rated the Pro Preferred Nailer for 9 years running (2014 – 2022) by Builder and Developer Magazine TRIGGER: Selectable trigger mode; choose contact or single sequential actuation mode via switch in the trigger RAFTER HOOK: Can be positioned on left or right side depending on user preference EASY LOAD: Rear loading magazine for quick replenishment MAGAZINE: 2-Piece magazine for durability and replacement ease RUBBER GRIP: Provides for superior control and comfort during use CLAW TIP: Hardened claw tip resists wear and grips wood for driving nails at different angles OPEN NOSE: Open nose design for easy extraction should a nail jam RECOMMENDED: Use Metabo HPT Nails for best results nbsp;