Product Description The Hilti DX 351-BT Fully Automatic Powder-Actuated Tool (377607) is designed for fast, reliable fastening in steel, concrete, and masonry applications. With its fully automatic piston return and cartridge advance system, this tool ensures high productivity and consistent performance on the jobsite. Compact and lightweight, it minimizes operator fatigue while providing excellent maneuverability in tight spaces. Ideal for construction professionals, it offers durability, efficiency, and safety with every use. Model: DX 351-BT Type: Powder-actuated fastening tool. Fully automatic piston return and cartridge advance. Compact, lightweight design for ease of use. Suitable for steel, concrete, and masonry applications. Built for professional quality.