... all in closed lube, significantly prolongs the service life. 3, easy to take on the tape pull round device ... to operate. 2, automatic warp-lacking control device. 3, tape pull round with take up on prevention device ... device. 7, stop lights. 8, computer automatic speed control system. 9, automatic oil pump. 1,The outside size of ... 12-14-15-18-20.3,the woof line up few Bs 3.4,Speed:1400S/Cent5,Noise:Lower ...