Handles are rigidly attached to the contact plungers & are automatically selfcentering Constant spring tension provides uniform contact pressure & both plungers are easily locked at any desired setting Range Handle length 8 13mm 516 12 Inch 60mm 2 38 Inch 13 19mm 12 34 Inch 60mm 2 38 Inch 19 32mm 34 1 14 Inch 60mm 2 38 Inch 32 54mm 1 14 2 18 Inch 60mm 2 38 Inch 54 89mm 2 18 3 12 Inch 60mm 2 38 Inch 89 150mm 3 12 6 Inch 82mm 3 14 Inch