Press Ring Kit Product Type Rings Compatible Fitting System Viega ProPress XL Compatible Material Type Copper (Plumbing) Stainless Steel Compatible Pipe Size 2 1/2 in to 4 in Kit Pipe or Tubing Sizes Included 2 1/2 in 3 in 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 Includes Carrying Case Kit Contents (3) Rings Actuator