Press Ring Actuator, Product Type Actuator, Compatible Fitting System Elkhart ApolloPress, Grinnell G-Press, Nibco Standard Copper, Streamline PRS, Viega ProPress, Compatible Material Type Copper (Plumbing), Stainless Steel, Compatible Pipe Size 2.5 in to 4 in, Kit Pipe or Tubing Sizes Included Not Applicable, Material Steel, Compatible Press Tool Type Extended, Standard