Abstract: An installation tool, for setting fasteners by applying a relative axial pulling force via a nose assembly to the fastener, and having a pneumatic means operable from a low pressure to provide a high pressure to a hydraulic means via an intensifier means, with the pneumatic means being constructed of a molded lightweight plastic having the pneumatic circuits molded therein, and with the hydraulic means constructed of a different material, and including hydraulic surge dampener means and a generally, open in line hydraulic circuit, and having a removable wiper housing facilitating the use of different nose assemblies.