Two-position, slip-joint handle produces a big range. Overall range 3-5/8" to 6". Sure grip teeth prevent slipping . Cushioned handles add comfort This slip-joint handle offers a 3-5/8" to 6" range. Large pliers fit most truck and tractor oil filters including: Case, Caterpillar, Cummins, Detroit Diesel, John Deere, Mack and other applications. This is a great tool to have an it's simple to use.