Improved tool part

A tool for manipulating a target with combustion products from a propellant has a housing 2 including at least one outlet 6, 8 for combustion products from at least one propellant source 16 contained within. An ignition mechanism is provided for igniting propellant at the propellant source. The outlet includes a plurality of exit ports 6, 8 on a surface of the tool that is configured to direct combustion products 28 at a target (such as a tubular) 12. The plurality of exit ports 6, 8 includes a principal exit port 6 and one or more secondary exit ports 8. The secondary exit port or ports 8 are spaced apart from and at least partly surround the principal exit port 6. A method for manipulating a target with the tool is provided.