Model Applicable tubing material TK-1 Nylon, Soft nylon, Polyurethane, and other soft plastic tubing Applicable tubing O.D. Weight 13 mm or less 140 g Model Applicable tubing material TK-2 Nylon, Soft nylon, Polyurethane, and other soft plastic tubing Applicable tubing O.D. Weight 18 mm or less 140 g TK-3 Nylon, Soft nylon, Polyurethane, and other soft plastic tubing 12 mm or less 32 g Tube Cutter: TK-1 Perpendicular cutting Reduced operating force Safety lock contained Tube Cutter: TK-3 (Useful type) Safety lock contained Tube Cutter: TK-2 Possible to cut a tube up to 18 mm. Safety lock (released) 110 43 Model Applicable tubing material Applicable tubing O.D. Weight Note) Do not use it to cut the metalic materials such as electric wires. Note) Do not use it to cut the metalic materials such as electric wires. Note) Do not use it to cut the metalic materials such as electric wires. Safety lock (released) Safety lock (released) Related Products: Tube Cutter Series TK RoHS 457 KQ2 KQB2 KS KX KM KF M H/DL L/LL KC KK KK130 DM KDM KB KR KA KQG2 KG KFG2 MS KKA KP LQ MQR T