Press Ring Kit, Product Type Rings, Compatible Fitting System Viega ProPress, Compatible Material Type Copper (Plumbing), Stainless Steel, Compatible Pipe Size 1/2 in to 1 1/4 in, Kit Pipe or Tubing Sizes Included 1 1/4 in, 1 in, 1/2 in, 3/4 in, Material Steel, Compatible Press Tool Type Extended, Standard, Compatible Tool Grainger Part Number 22XH23, 22XH24, Compatible Tool Manufacturer Part Number 320-E, CT400, RP 330-B, RP 330-C, RP 340