Extension Set for TP-1934. Allows for fast installation of cabinet handles up to 38″ C-C (960mm). Also doubles as a portable line boring unit in installed or unassembled cabinets. 5mm bushings with 32mm pattern allows for quick and accurate shelf pins on any depth of cabinet panel. Bushings are backed with free lifetime warranty. Also Includes TP-ERA (Extended Ruler Attachment) allows for quicker hardware installation on wide drawer fronts, tall doors and large handles. Please note Extension Set and TP-ERA are included in item TP-1935. Included ruler attachment provides a stop for drawer fronts up to 42″ wide.