Spring cable reel 1.Competitive price 2.Top quality,ISO9001:2000 approved 3. Wide application 4.Space and energy saving ... many other advantages. JT2 cable reel drum components include :winding spring group,winding drum, slip-ring, brush rocker, engine base, ... ; When getting back the cable,resilience force from the spring will wind the cable automatically. TypeCable lengthCore numberPower(volt) ...