... application 4.Space and energy saving JT2 series cable reel drum is a very small kind device for reeling cables, ... protection,ship building and repair. This JT2 cable reel drum structure is very simple,easy maintenance,Safe and reliable and ... advantages. JT2 cable reel drum components include :winding spring group,winding drum, slip-ring, brush rocker, engine base, drive axle and other small ...