Shop the DEWALT P3500 Tool (Powder-Actuated) - Tools, P3500 Tool - .27 Caliber, low-velocity, semi-automatic, trigger-fired. The P3500 Tool is a low-velocity, .27 caliber, semi-automatic, trigger-fired powder-actuated tool designed for attaching construction materials to concrete and steel. Powder-actuated tools may be used only by properly trained and licensed operators per ANSI Standard A10.3.
