Features: 1, Adopts the Model T structure, introduce foreign advanced technical design, a decelerators is moderated through the planet. 2, The awl gear wheel transmission of arc tooth, rising can make a reservation to enter the intimae diameter of the tube automatically. 3, Performance reaches Q/WAT01-2002 standard to require 4, Round knife plate, four tools are inserted and can be chosen wantonly; 5, Simple structure, easy to operate, 220V alternating current power supply, 6, light, benefit the work high above the ground
