CTG-001 Cable tie gun: Adjusting knob to correct number in window of handle:1-3 for miniarure cross section ties (2.5mm); 3-6 for intermediate cross section ties (3.6mm); and 6-8 for standard cross section cable ties (4.8mm). Weighr:0.32kg L:180mm Material:Mtal. If you are interested, please feel free to contact us