C300 series reel, is wire, cable series reel, the series of products are made of high-quality carbon steel, powder coating, spring driven, with automatic recovery of cables, instant locking in the required length, this series of products are equipped with 360 degree free rotation of the collector slip ring, safe and reliable, dustproof and waterproof, can not lose any voltage transition current, to achieve no entanglement, no knots, smooth operation, convenient stretching, is a variety of working conditions enterprises and special vehicles for cable storage management is the best choice.