Press Jaw, Product Type Jaw, Compatible Fitting System Viega Pureflow, Compatible Material Type PEX, Compatible Pipe Size 1 in, Kit Pipe or Tubing Sizes Included Not Applicable, Material Steel, Compatible Press Tool Type Compact, Compatible Tool Grainger Part Number 426J87, 426J88, 426J89, 426J90, Compatible Tool Manufacturer Part Number 100B, RP 240, RP 241, Manufacturer Warranty Length Full Lifetime, Overall Length 6 in