CM Series Cable-Master Reels are an economical choice because they are ruggedly built and their design has been refined over many years of field use. The reels have either fully automatic or ratchet controlled spring rewind and contain all the features found in any reel in this size range. Standard features include: cable guide with four rollers, ratchet lock and 600 volt slip ring. Available for 3 to 12 conductors, 20' to 70' long cables