Drilling Line Spooler is a special equipment for the working wireline retracting of crown block and traveling block of drilling rig(also available for retracting tool of similar principle).Because it is equipped with a lead line drum, it can complete the line string up work before drilling and retracting line when finished drilling. Work is more convenient and safe, easy to operate. Classification: Electric, Pneumatic, Hydraulic. Loading: 8Ton, 15Ton, 18Ton. Customizable.